DURATRAX Street Force GP2 Manual
Contents
1. Technical Support Information For technical assistance contact Length 16 5 435mm DuraTrax Product Support Width 7 7 195mm 3002 N Apollo Drive Suite 1 Height 4 6 115mm Champaign IL 61822 Weight 3 1 Ib 1 4kg 217 398 8970 Ext 5 Wheelbase 10 1 255mm carsupport duratrax com ASSEMBLY AND OPERATION MANUAL Warranty DuraTrax will warranty this kit for 90 days after the purchase date from defects in materials or workmanship DuraTrax will either repair or replace at no charge the incorrectly made part Exception Specific parts covered under the Stress Tech Guarantee see page 3 Make sure you save the receipt or invoice you were given when you bought your model It is your proof of purchase and we must see it before we can honor the warranty To return your Street Force GP2 for repairs covered under warranty you should send your truck to Hobby Services 3002 N Apollo Drive Suite 1 Champaign Illinois 61822 Attn Service Department Phone 217 398 0007 9 00 am 5 00 pm Central Time M F E mail hobbyservices hobbico com If the buyer is not prepared to accept the liability associated with the use of this product the buyer is advised to return this kit immediately in new and unused condition to the place of purchase READ THROUGH THIS MANUAL BEFORE STARTING IT CONTAINS IMPORTANT INSTRUCTIONS AND WARNINGS CONCERNING THE ASSEMBLY AND USE OF THIS MODEL Copyright 2004 DTXZ1044 For DTXC0052 DTXD522. TABLE OF CONTENTS PVE OGUGUIOIN eii a NE EEEE 2 Safety PreGautions ssc ee ees ee 2 PISCIOPUN ITS eresian a 2 Stress Tech Parts Guarantee cccccccesseeeeeeeees 2 Repair SORVICG asaan da 2 Specification amp Description Changes 3 Screw Information cccccceeeecceeceeeeeeeeeeessaeeeeeeees 3 Required Items for Completion cccceeeeeees 3 Tools You Will Need ccccccccseeeeeeeeeeeeeeeeeeeeeeeenaees 3 Finishing the RTR VerSion ccccccsseeeeeeeeeeeeeeeeees 4 Air Filter Installation 00 cc ceeccceeeeeeeeeeeeeeees 4 Radio Setup cic esse a 4 Body Mounting ccccccccsseeeeeeeaeeeeeeeeeeeeeeaeees 5 Assembly of the Pre Built Version ccccceee 6 Preparing the Radio System cccceeeees 6 Radio Setup i555 pt ee eh 6 Air Filter Installation 00 cccecccseeeeeeeeeee seen 9 Body Mounting ics eesti ees 10 Carburetor SettingS ccccccccccccceeceeseeeeeeeeeeesseeeees 10 Breaking In the Engin ccccccseseeeeeseeeeeeeeeenees 11 Engine Maintenance ccccsccceccseseeeeeeeeeseeeeeenees 12 Performance TUNING ccccccccccseeeecceeeeeeeeeeesaeeeeeaaaess 13 Maintenance TIps cccccceeccecseeeeceeeeeeeeeeeesaeeeeenaeees 13 Assembly Guide wcc 0 2004u bianco ede 14 Engine Troubl
3. tubing on the antenna tube l 9 Plug the switch wire into the battery BATT slot on the receiver Plug the steering servo and throttle servo wires into the receiver See your radio instructions to determine which channel is steering and which is throttle Receiver _ Plate pute holder as shown It may be necessary to loosen the radio plate slightly to fit the receiver battery in Make sure to re tighten the radio plate screws once the receiver battery is installed l 11 Thread the ball stud into the correct steering servo horn included for your steering servo as shown Test fit the servo horn onto your servo first to make sure it is the correct one 3 4 19mm L 12 Thread the two ball ends onto the steel rod There should be 19mm or 3 4 between the two ball ends i fal l 13 Snap one end of the rod onto the steering servo horn Snap the other end onto the steering arm Turn the transmitter on and center the steering trims Install the steering servo horn onto the steering servo as shown Then turn the transmitter and receiver off Rod Connector Rod Connector L 14 Install the rod connector into the hole farthest away from the center on the short servo horn included Note This hole is slightly enlarged Place the small metal washer and 2mm nut onto the bottom of the rod connector Make sure not to over tighten the nut The rod connector must swivel freely Apply a small
4. angled and is the 2 speed adjustment screw Also make sure the set screw lines up properly with the flat spot on the main shaft Install the second 4x6mm R set screw in the angled hole of the 2 speed hub 68 Tighten the set screw until it is snug then back it off 8 2 turns This is a base point to start from for tuning the 2 speed Note To make the car shift sooner loosen the angled set screw To make it shift later tighten the set screw Install the small spur gear 64 onto the 2 speed housing 67 and secure the spur 64 to the housing 67 using a split ring 66 Note The spur gear keys onto the housing using a small pin Make sure the pin in the housing keys into one of the holes on the spur gear Install the large spur gear 63 onto the gear plate 65 Note The large spur gear has 3 molded nubs that key into the gear plate Make sure these properly line up during assembly Secure the spur gear 63 onto the gear plate 65 using a split ring 66 Install the large spur gear assembly onto the 2 speed main shaft It should mate up with the small sour gear assembly already installed onto the shaft 72 Note The gear plate has a one way bearing in it so the large spur gear assembly will only rotate one way Install a 5mm washer onto the main shaft 72 and seat it against the large spur gear assembly Install the 2x10mm pin 40 through the main shaft 72 hole closest to the spur gears Install the small pulley 49 onto the main sh
5. how the engine speeds up or slows down If the engine increases its speed for about 3 or 4 seconds and then loses speed the needle is set correctly If the engine loses RPM quickly it is set too lean and the low speed needle needs to be opened counterclockwise to richen the mixture Pinch again to check the mixture If the engine takes longer than 5 seconds to slow down lean clockwise the low speed needle and then pinch again to check the mixture Note Make sure the high speed needle is set properly before the low speed needle is adjusted The Idle Stop Screw On the front of the carburetor there is a black screw This is called the idle stop screw This increases or decreases the idle RPM without changing the fuel to air mixture The barrel should be approximately 1 5mm between 1 32 and 1 16 from fully closed BREAKING IN THE ENGINE Note This engine was designed to racing tolerances and may take longer than 5 tanks to fully break in To insure long life and good performance from your DuraTrax 18 engine you MUST break in the engine The break in period is critical for long life of the internal parts of the engine This should be done over the first 5 tanks of fuel Some Things To Remember During Break In Run with the body off This will keep the engine cooler Keep the air cleaner on at ALL times Run on a smooth hard surface An empty parking lot is perfect Use the same fuel that you will use for normal runni
6. pulley shaft mount 17 Install the center pulley shaft 51 into the bearings 38 in the shaft mount 17 Install a 2x10mm pin 40 in each end of the shaft 51 Install a small pulley 49 onto each end of the shaft 51 Note Make sure the pulleys key onto the 2x10mm pins Install the belt guide 50 onto the main shaft 72 making sure it keys into the small pulley Secure the assembly in place with a 4mm e clip V Shocks 1 Install one 2mm e clip T onto the lower groove in the shock shaft 100 2 Install the plastic shock piston onto the shock shaft 100 so that it sits on top of the previously installed 2mm e clip Secure the shock piston 101 in place using another 2mm e clip T Install two shock o rings 98 into the bottom of the shock body 99 Secure the o rings in place y 99 by installing the shock bottom i cap 97 onto the bottom of Bae Rear shock uses the shock body 99 ST ae 1 4mm Clip Install the shock shaft assembly 100 amp 101 into r B A pi ii the shock body Note Place a small amount of Sf La GTR shock oil on the entire shock shaft before installing Fp Front shock uses the shock shaft assembly This will help prevent a 7 1 4mm Clip damage to the o rings during installation 1 2mm Clip Install the shock ball end 91 onto the end of the shock shaft 100 Fill the shock with shock oil Then install the shock bladder 102 onto the top of the sh
7. the engine Do not use a fuel with a low oil content Make sure you use a fuel from a reputable manufacturer such as DuraTrax Red Alert Avoid using old fuels in the engine Always run all of the fuel out of the engine After running for the day use an after run oil and work it into the engine by turning the flywheel or pulling the engine recoil slowly 12 7 Do not use a fuel with a nitromethane often called nitro content over 20 Do not scratch the piston or cylinder sleeve Avoid jamming something into the exhaust port when removing or re installing the clutch or flywheel Use a special tool called a crankshaft locking tool which is installed in the glow plug hole Do not use silicone sealer on the engine joints Silicone sealer contains acetic acid which is corrosive if it gets inside your engine 10 Do not allow any water inside the engine This sounds easy but temperature changes can cause condensation inside the engine This is a good reason to use an after run oil Store your engine inside the house not in a garage or shed where there will be temperature extremes If you are having problems with your engine consult the engine troubleshooting flow chart on page 19 The following are some potential problems Glow Plug The glow plug is an item that will wear out and need replacement from time to time It is a good idea to remove the glow plug before your first run heat it and see how well it glows You shou
8. NEED To assemble the Pre Built version DTXC0052 you will need the following tools e Phillips head screwdriver DTXR0122 e Needle nose pliers DTXR0300 e Hobby knife HCAR0105 11 blades HCAR0211 FINISHING THE STREET FORCE GP2 TOURING CAR RTR VERSION DTXD52 AIR FILTER INSTALLATION Fuel Tubing l 3 Frequently there will be leftover wire protruding from the antenna tube Do not cut or coil the antenna Cut two pieces of fuel tubing 1 8 long and slide them over the outside of the antenna tube and wire This is to help hold the J 1 Install the air filter onto the carburetor Using excess antenna onto the tube and avoid getting the antenna the included tie strap secure the air filter to the carburetor Cut wire cut in a roll over Note the placement of the fuel tubing off any excess portion of the tie strap to avoid interference on the antenna tube RADIO SET UP Q Antenna Mount jl _AM 2 CHANNEL REG Ad pe i Aon wd po 2 Remove the twist tie from around the receiver antenna 4 It may be necessary to loosen the radio plate to remove wire Run the length of the antenna wire through your fingers the receiver battery holder Install 4 AA batteries included to help straighten the wire out This will make it easier to get into the receiver battery holder in the configuration molded the wire through the antenna tube Slide the antenna wire into the battery holder Install the r
9. Note This is for the shock to attach to Install the rear suspension arm 8 onto the rear bulkhead 6 and secure it in place by installing the rear inner hinge pin 88 then install a 2 5mm e clip U onto the end of the hinge pin 88 Install a 4 3mm ball stud 124 into the lower camber rod position on the rear hub 9 Install the rear hub 9 onto the outer end of the rear suspension arm 8 Secure the rear hub in place with an outer rear hinge pin 90 Secure the hinge pin in place using a 2 5mm e clip U Note The stock position for the hub to mount onto the arm is the lower hole in the hub Install two 5x10mm bearings 38 into the rear hub 9 Note Make sure the bearings are properly seated in the hub to prevent binding Install the rear axle shaft 44 into the 5x10mm bearings installed into the rear hub 9 Secure the rear axle shaft 44 by installing the 2x10 axle pin 40 through the hole in the shaft Install the wheel hex adapter 39 onto the rear axle shaft 44 and key it onto the 2x10mm axle pin 40 Install the dogbone between the differential joint and the rear axle shaft Then install the turnbuckle assembly 81 amp 82 onto the ball studs 17 oN 2 Speed Assembly Install the 2 speed hub 68 onto the main 2 speed shaft 72 Secure the hub to the shaft by installing and tightening a 4x6mm set screw R Note make sure the set screw is installed in the straight hole of the hub The other hole is
10. aft 72 Make sure it keys onto the previously installed 2x10mm pin 40 Install the belt guide 50 onto the main shaft 72 making sure it keys into the small pulley Secure the assembly in place with a 4mm e clip V 1 Install the flywheel collet 129 onto the engine s crankshaft 2 Install the flywheel 81 onto the engine s crankshaft making sure the collet 129 fits properly into the flywheel 31 3 Install a crankshaft locking tool not included into the engine and install the pilot shaft 32 Note Make sure you thoroughly tighten the pilot shaft onto the engine s crankshaft 4 Install the two clutch shoes 33 onto the flywheel pins 2 Speed Assembly wv 5 Install the clutch spring 130 into the groove of the clutch shoes 33 6 Install a 5x8 flanged bearing 35 onto the pilot shaft 32 7 Install the clutch bell 36 onto the pilot shaft 82 making sure the bearing fully seats into the clutch bell 36 8 Install the second 5x8mm flanged bearing 35 into the end of the clutch bell 86 Again make sure the bearing is fully seated into the clutch bell 36 9 Install a 3mm washer AA onto the end of the pilot shaft Secure the clutch assembly with a 3x6mm screw P ENGINE TROUBLESHOOTING The Engine Starts It should be YES Does it run ready to go continuously Is the high NO speed needle Clear the YES setting 1 3 8 to engine 2 turns out from of fuel close
11. amount of thread lock onto the nut to prevent it from falling off during running Rod Collar Rod Connector T E ed i Tirottleltod L 15 Locate the small rod with a z bend at one end Install the z bend end of the rod into the lower hole of the throttle arm on the carburetor Turn the transmitter on again and center the throttle trim on it Install a set screw into one of the rod collars NOTE Only thread the set screw in slightly so that the rod collar will slide over the throttle linkage rod Place the metal rod collar and the throttle linkage spring onto the throttle rod Do not tighten the rod collar yet Install the throttle servo horn onto the throttle servo as shown Thread Lock the Set Screws lt E iL min i J Ly Er op P l 16 Make sure the carburetor is at the idle setting refer to the throttle stop screw page 10 Then install the second rod collar onto the end of the throttle linkage rod The rod collar should slide up against the throttle linkage rod connector as shown J 17 Slide the first rod collar against the throttle linkage spring slightly compressing the spring Tighten the set screw in the rod collar You should apply a small amount of thread lock to the set screws in the wheel collars to prevent them from loosening during running l 18 Lift the throttle linkage servo horn off of the servo Install the remaining z bend wire from the bottom into the hole farthest from the
12. center of the servo horn Note This hole is slightly enlarged Slide the threaded end of the brake linkage rod through the brake lever i ce 7 Oo bu f CAI Quick Tune Brake Adjuster I 19 Slide the pre cut 5mm 1 4 piece of fuel tubing onto the threaded end of the brake linkage rod The fuel tubing should slide all the way up against the brake lever Then thread the quick tune brake adjuster onto the brake linkage rod Note The transmitter should still be on for this step Thread the quick tune brake adjuster on until it almost touches the pre cut piece of fuel tubing Note At this position the car should roll freely Move the transmitter trigger to apply the brakes and try to gently move the vehicle If the car rolls freely the quick tune brake adjuster should be threaded on farther If the car does not move then the linkage is set up correctly Install the servo horn screw into the throttle servo AIR FILTER INSTALLATION J 20 Install the air filter onto the carburetor Using the included tie strap secure the air filter to the carburetor Cut off any excess portion of the tie strap to avoid interference dia gt q l 21 Raise the body posts to the upright position Notice there is a molded pin that fits into a hole in the shock tower This is to keep the body posts from swiveling during running Tighten the screws in the body posts making sure that the posts pull tight against the shock towers Y
13. d if the engine is broken in Does the engine YES is removed Check for clogging in the carburetor or Check that the fuel line Press the pressure line Reset the high primer pump and is connected to speed needle check for fuel the muffler The spraying out of the fuel may be bad fuel line If so replace the fuel line Try starting the engine again S Is fuel getting quit when the to the engine glow plug clip gt The Engine Does Not Start j Check that nothing Does the engine I NO 1 NO is caught in the turn over easily with the glow engine Check that plug removed the pull starter operates smoothly Does the engine turn over easily YES YES Is fuel in the fuel line YES Is the glow YES Check the high speed needle setting and prime the engine Try starting the engine again Press the primer pump and check for fuel spraying NQ Is foreign matter out of the fuel line clogging the fuel through a small tank or fuel line hole If so replace the fuel line The engine may be flooded Clear the engine of fuel NO Isthe battery for NO gt the glow plug clip charged YES Replace the glow plug Charge or replace the batteries Remove the obstruction from the fuel tank or fuel line 19 ACCESSORIES AND OPTIONAL PARTS Duratrax Nitro Starter Set This set i
14. e 2x10mm pin Install the CV shaft 43 into the differential outdrive secure the top of the front knuckle 12 in place by first placing the front brace assembly 80 84 amp 126 onto the top of the hub and then installing a 3x20mm J screw through the front brace 84 amp 126 and into the front knuckle 12 Steering Install a 4 8mm ball stud 124 into the top of the inner hole of the lower right servo saver arm 108 and the left servo saver arm 107 Then install a 4 3mm ball stud 124 into the bottom of the outer hole of the lower right servo saver arm 108 and the left servo saver arm 107 Install a servo saver bushing in the top and bottom of the left servo saver arm 107 Note make sure the bushings are properly seated to prevent binding Install the left servo saver arm assembly onto the left servo saver post 110 Secure the servo saver assembly onto the servo saver post with a 2 5mm e clip U Install the servo saver tube 105 into the right upper servo saver arm 106 Note The tube keys into the servo saver arm Make sure the tube is properly seated in the upper arm to prevent binding Install the lower right servo saver arm 108 onto the tube 105 and slide it next to the upper right servo saver arm 106 Make sure the two arms properly key together Install the servo saver spring 111 and the servo saver adjustment nut 112 onto the servo saver tube 105 Install the right servo sa
15. e Shooting ccccccccesseseeeeeeeeeeaes 19 INTRODUCTION Thank you for purchasing the DuraTrax Street Force GP2 This manual contains the instructions you need to build operate and maintain your new nitro R C touring car Read over this manual thoroughly before building or operating the Street Force GP2 SAFETY PRECAUTIONS When the safety precautions are followed the Street Force GP2 will provide years of enjoyment Use care and good sense at all times when operating this radio controlled touring car Failure to use this vehicle in a safe sensible manner can result in injury or damage to property You and you alone must insure that the instructions are carefully followed and all safety precautions are obeyed e Do not operate the Street Force GP2 near people Spectators should be behind the driver or at a safe distance away from the vehicle The engine and exhaust produce quite a bit of noise If you are disturbed by the amount of noise this touring car produces wear ear protection such as earplugs Do not run this vehicle when or where it can disturb others e The engine and exhaust can become very hot Avoid touching any of these parts during use and until they have cooled down e Model engine fuel is poisonous Make sure you read and follow all of the precautions on the fuel container Keep fuel out of the reach of children e Model engine fuel is flammable and when ignited has a flame that is difficult t
16. eceiver battery back into through the antenna tube Press the antenna tube into the the receiver battery holder as shown Make sure to re tighten antenna mount molded into the top of the radio plate the radio plate screws once the receiver battery is in place Rx Battery Connector 2M h Connector N From On Off w bea giten l 5 Plug the male end of the wire from the receiver RX battery into the female end from the on off switch Adjustable Antenna Steering Rate Servo Reverse N Throttle Trigger _I 6 Install the transmitter antenna by screwing it into the hole on the top of the transmitter Give the antenna a mild tug to make sure that it is properly secured in the transmitter I 7 Slide open the battery door on the bottom of the transmitter Install eight 8 AA batteries into the transmitter in the configuration molded into the plastic on the battery holder Reinstall the battery door J 8 Warning Always extend the transmitter antenna before operating your vehicle Turn on the transmitter using the switch on the side The red light on the side of the transmitter should light up If there is no light on turn the transmitter off and check to ensure that the batteries are making contact with the metal contacts in the battery holder Make sure the batteries are installed correctly Turn the transmitter on and check for the red light If the red light appears turn off the transmitt
17. er If the red light blinks the batteries are low and should be replaced BODY MOUNTING Rear Body Posts 71 9 Raise the body posts to the upright position Notice there is a molded pin that fits into a hole in the shock tower This is to keep the body posts from swiveling during running Tighten the screws in the body posts making sure that the posts pull tight against the shock towers You will have to remove the screws in the tops of the front shocks to get to the front body mount screws l 10 Apply the decals to the body CE BODY CLIP J 11 Remove the body clips from the parts bag On the front body posts place a body clip in the bottom hole of each post On the rear body posts place a body clip in the third hole from the bottom in each post Place the body onto the body mounts On each body post place a body clip to secure the body onto the chassis The excess body post can be trimmed off if desired You are ready to go Watch the DVD for information on breaking in the engine and turn to page 10 for performance and maintenance tips ASSEMBLY OF THE STREET FORCE GP2 TOURING CAR PRE BUILT VERSION DTXC0052 PREPARING THE RADIO SYSTEM I 1 Install the AA batteries in the transmitter and the receiver holders L 2 Extend the transmitter antenna l 3 Connect the steering servo throttle servo and receiver battery to the receiver L 4 Extend the receiver antenna l 5 Adjust the servo trims o
18. f fuel This leans out the engine and can cause overheating LI 3 Stop the engine and allow the engine to cool before the second tank This normally takes around 10 minutes How To Stop Your Engine You may have been wondering how to stop the engine All you have to do is pinch the fuel line that runs to the carburetor and from the bottom of the fuel tank Pinching this line will restrict the fuel flow and the engine will quit within a few seconds Tanks 3 5 Turn in the needle valve clockwise around 1 8 turn from the previous setting for each additional tank Run the car back and forth You should notice that the car will perform better during each run Stop the car periodically to check for overheating If it is too hot stop the engine Wait for it to cool and then turn the high speed needle valve counterclockwise 1 8 turn and restart After the 5th tank you should be near to the peak performance of the engine ENGINE MAINTENANCE Ten Ways To Ensure A Long Life From Your Engine 1 Keep your engine clean Dirt will act as insulation on an engine It will not be able to shed heat as easily Use a good air filter to keep dirt out of your engine and clean it often Do not over lean your engine Do not run your engine with little or no load Don t throttle up the engine to full throttle when the wheels are not in contact with the ground Do not overheat the engine This goes along with keeping it clean and not over leaning
19. f the transmitter to the neutral position L 6 Switch on the transmitter L 7 Switch on the receiver 8 Operate the steering and throttle control Make sure the servo arms move in proportion to the movement of the steering wheel and throttle trigger L 9 Switch off the receiver then the transmitter RADIO SET UP 4 i l 1 Remove the radio plate from the chassis by removing the 9 screws as indicated in the above photos 2 Install the on off switch into the slot in front of the fuel tank Remove the face plate from the switch then install the switch up through the bottom of the radio plate and then install the face plate onto the top of the radio plate Re install the two screws through the face plate and into the switch to secure it to the radio plate Be careful to put the switch plate on correctly with respect to on and off switch positions Servo Mount Blocks l 3 Install the throttle orake servo into the slot next to the fuel tank Place the two servo mount blocks onto the bottom of the radio plate Then install the four 3x10mm self tapping screws through the servo into the servo mounts Route the servo wire through the slotted hole between the servo and the receiver battery holder Radio Plate af Washer a spel Pe Bellcran l 4 Reinstall the radio plate onto the chassis Make sure to reinstall the washer between the steering bellcrank and the radio plate gt l 5 Usin
20. g two 3x10mm self tapping screws install the two servo mounting posts onto the steering servo as shown note location of servo spline Note that the hole in the bottom of the servo mounting posts are off center Install the posts with the hole in the bottom of the post as shown in the photo This is to help prevent the servo from hitting the center belt J 6 Install the steering servo onto the chassis from underneath using a 3x10mm flat head self tapping screw in the front hole which is countersunk and a 3x10mm round head self tapping screw in the slotted rear mounting hole Route the steering servo wire through the slotted hole between the steering servo and the receiver battery holder J 7 Install the receiver using the included double sided tape onto the top of the radio plate as shown Run the length of the antenna wire through your fingers to help straighten the wire out This will make it easier to get the wire through the antenna tube Slide the antenna wire through the antenna tube Press the antenna tube into the antenna mount molded into the top of the radio plate L 8 Frequently there will be leftover wire protruding from the antenna tube Do not cut or coil the antenna Cut two pieces of fuel tubing 1 8 long and slide them over the outside of the antenna tube and wire This is to help hold the excess antenna onto the tube and avoid getting the antenna wire cut in a roll over Note the placement of the fuel
21. ghtening self tapping screws into plastic Overtightening will cause the threads in the plastic to strip We recommend that you stop turning a self tapping screw when you feel some resistance as the head of the screw comes in contact with the plastic Avoid using powered screwdrivers when assembling this kit They tend to overtighten the screws Do not use thread locking compound on any self tapping screws The thread locking compound may damage the plastic IMPORTANT Use thread lock on any fastener that is threaded into metal or fastened with a nut Vibration from the engine will cause the screws to loosen if thread locking compound is not used M3x14 M3x14 Screw Self Tapping Screw y y ar m ai 3mm lac Hamm 5 aiani REQUIRED ITEMS FOR COMPLETION To operate the Street Force GP2 these items are required e Fuel DuraTrax Red Alert fuel DTXP0520 e Air Filter Oil DTXC2465 e Glow plug wrench DTXR1170 e It is also helpful to have a couple of extra glow plugs on hand DuraTrax Carbon Speed DTXG3003 The Nitro Starter Pack from DuraTrax DTXP0200 includes fuel deluxe wrench fuel bottle rechargeable glowplug starter and a glow plug For the Pre Built version of the Street Force GP2 you will also need e 2 Channel radio with two standard servos FUTJ14 e 12 AA batteries four for the receiver and eight for the transmitter e Small bottle of thread locking compound DTXR2010 TOOLS YOU WILL
22. ld see a bright orange glow from the filament If a coil or two will not glow or the plug will not glow at all replace the plug If the engine quits when you remove the glow starter the plug might need to be changed although this may be because you are running too rich and need to screw in your high speed needle some Look at the glow plug when you are running the engine If you see some bubbles coming from around the plug replace the glow plug copper gasket or both the plug and gasket The only real way to test a glow plug is to replace it Make sure you have a spare plug or two on hand every time that you run the Street Force GP2 Fuel Fuel can go bad The main ingredient in model fuel is methanol which is basically an alcohol Alcohols can absorb water out of the air so keep your fuel jug capped at all times Store your fuel out of the sunlight and in a cool place Bad fuel is one of the most difficult problems to diagnose in engines If you have tried everything you can think of to remedy an engine that is not running correctly try using some fresh fuel Fuel line is susceptible to pinhole leaks You cannot see the hole in the fuel line but if you see air bubbles in the line going to the carburetor replace the fuel line Another symptom of a leak in the fuel line is a surging engine The properly tuned engine will surge when the air bubbles hit the carb It is basically leaning out the mixture To keep dirt out of the engine u
23. ncludes everything you need to start racing 5 way glow plug wrench 1 qt of Red Alert fuel Hobbico glow starter w charger fuel bottle and glow plug DTXP0200 DuraTrax Deluxe Glow Plug Wrench This single heavy duty plated steel tool handles FIVE metric hex sizes 7 8 10 12 and 17mm and includes a special 10mm socket for pilot shafts Threaded holes tapped between the wrenches store up to four spare glow plugs DTXR1170 DuraTrax Crankshaft Locking Tool Remove your engine s clutch safely with this easy to use anodized metal tool Works with all 10 to 21 car and buggy engines DTXR1100 DuraTrax Red Alert 20 Racing Fuel To make your DTX 18 engine run faster better and longer you need the unique formula of DuraTrax Red Alert Red Alert contains 20 nitro plus a carefully race tested blend of castor and synthetic oils DTXP0600 DuraTrax Kwik Pit 500cc Fuel Bottle Fast clean pit stops are as close as the Kwik Pit Fuel Bottle The long angled neck reaches easily into your tank to prevent fuel spills the clear plastic body keeps the fuel level in plain sight and moving fuel from the bottle to your tank takes just a gentle squeeze DTXP0150 DuraTrax XL Field Bag Keep your gear loaded and race ready with the XL field bag Heavy duty black nylon bag with red trim and white logo DTXP2000 Graphite Radio Tray and Shock Towers Add graphite components for lighter weight and ultra high
24. ng Resist the urge to accelerate and decelerate the touring car quickly Apply throttle and brake slowly and smoothly Break in puts stress on the glow plug and you can burn it out during break in Make sure you have an extra plug or two on hand Do NOT overheat the engine You can check the head temperature by using one of the temperature gauges that is available or by putting a drop of water on the top of the cylinder head If the water boils away immediately shut off the engine and allow it to cool If it takes more than 4 seconds to boil away the engine is at proper running temperature for break in Before running the engine read the manual and watch the engine video that came with this kit There are several simple steps to starting the engine 1 1 Install a glow plug This threads into the top of the cylinder head LI 2 Fueling Fill the tank almost to the top Leave a little air at the top of the tank LI 3 Prime the Engine when cold Wrap you finger with a shop towel and place it over the tuned pipe s exhaust exit Pull the recoil gently until you can see fuel reach the carburetor looking through the fuel tubing Note The engine should not require priming when hot unless you ran out of fuel Ll 4 Open the high speed needle valve exactly 2 turns out counterclockwise from fully closed The high speed needle is sticking up from the carburetor inside the brass housing All of the carburetor settings are adju
25. o see Avoid sparks flames smoking or any other ignition source when fuel is near e The engine emits carbon dioxide just like real cars Do not operate this model indoors e Before turning on the transmitter make sure that no one else is on your frequency HELPFUL HINTS e Avoid working over a deep pile carpet If you drop a small part or screw it will be difficult to find e Place a mat or towel over your work surface This will prevent parts from rolling off and will protect the work surface e Avoid running the touring car in cold weather The plastic and metal parts can become brittle at low temperatures In addition grease and oil become thick causing premature wear and poor performance e Test fit all parts before attaching them permanently STRESS TECH PARTS GUARANTEE We have engineered the Street Force GP2 to take the high speed abuse that makes R C cars fun We are so confident of the quality and durability of the Stress Tech plastic parts that we will replace any Stress Tech plastic part you break during the first 12 months you own the touring car Just send in the part to us and we will send you a Free replacement Please see the Street Force GP2 parts list for the items covered under the Stress Tech guarantee To receive your free replacement part please send the following to the Hobby Services address listed on the cover of this manual e The broken part must be included e The part number and descrip
26. ock body 99 l Place the shock top 103 onto the top of the shock bladder 102 and secure it in place with 9 gt Sa the shock cap 104 Note While tightening the shock cap down work the shock shaft and piston up and down to help remove any air and excess oil that may be trapped in the shock Install the shock spring 93 onto the shock body 99 and secure it in place by installing the shock spring retainer 92 onto the shock shaft Front Suspension 1 Install the front suspension arm 7 onto the front bulkhead 3 Secure it in place using an inner hinge pin 88 Secure the hinge pin 88 in place with a 2 5mm e clip U z Install a front hub 10 or 11 onto the end of the front suspension arm 7 Secure the hub 10 or 11 to the suspension arm 7 using a front outer hinge pin 89 and a 2 5mm e clip U Install a steering knuckle bushing 76 in both the top and bottom of the front hub 10 or 11 Install two 5x10mm bearings 38 into the front knuckle 12 Install a 4 3mm ball stud 124 into the outer hole of the front knuckle 12 Install the front Knuckle 12 into the front hub 10 or 11 secure it in place with a i 3x10mm cap screw C at the bottom j Install the front CV shaft 43 through the front hub 10 or 11 and into the front knuckle 76 bearings 38 124 ay Secure the CV 43 in place using a 2x10mm pin 40 and the wheel hex adapter Note The wheel hex adapter must key onto th
27. ou will have to remove the screws in the tops of the front shocks to get to the front body mount screws l 22 Apply the decals to the body C2 BODY CLIP 23 Remove the body clips from the parts bag On the front body posts place a body clip in the bottom hole of each post On the rear body posts place a body clip in the third hole from the bottom in each post Place the body onto the body mounts On each body post place a body clip to secure the body onto the chassis The excess body post can be trimmed off if desired BODY MOUNTING CARBURETOR SETTINGS EE High Speed Needle N i The High Speed Needle The high speed needle is sticking up from the side of the carb It is located in the brass housing just above the fuel inlet It controls the fuel to air mixture of the carb The needle setting for break in is 2 turns out from fully closed Once the engine is broken in the high speed needle would typically run from 1 1 4 to 1 3 8 turns out from closed depending on the temperature humidity and altitude above sea level To richen the mixture turn the needle counterclockwise to lean it turn the needle clockwise The Low Speed Needle The low speed needle located on the side of the carburetor It controls the fuel to air mixture at low throttle settings There is a simple way of adjusting the low speed needle correctly called the pinch test With the engine at idle pinch the fuel line and listen to
28. peed Too much toe in will make the touring car difficult to turn as well as reduce the overall top speed because of tire scrub Sometimes a small amount of toe out will be used to help the steering As a general rule use a small amount of toe in typically 1 2 Camber Camber is the angle of the tops of the tires when viewed from the front Negative camber is when the tops of the tires are angled towards the center of the touring car Positive camber is where the tops of the tires are angled away from the center of the touring car Positive camber is very rarely used if ever A small amount of rear negative camber is helpful to increase traction in the rear Negative camber at the front will increase stability Camber adjustments can be made on the Street Force GP2 by turning the camber rods which are the upper links on the suspension Lengthening the camber rod will add positive camber and shortening the camber rod will add negative camber Shocks Changes in shock oils springs and pre load on the springs can dramatically change the way the car handles A thicker shock oil will make the touring car turn faster but reduces overall traction and handling over bumpy surfaces Thinner oil will increase traction at the expense of steering 13 response and the car will tend to roll more You should experiment some to see what oils work best for your track and driving style Shock springs affect the rate that the suspension rebound
29. re you tighten the glow plug after the engine starts If the recoil starter is still difficult to pull the engine is flooded there is too much fuel inside the engine Remove the glow plug and then turn the engine upside down and pull the recoil 5 or 6 times This will clear the engine of fuel and you will notice the recoil pulls easier Replace the glow plug and repeat the starting procedure Tanks 1 2 Your first two tanks of fuel should be running the touring car at a very rich high speed needle valve setting This allows the fuel to carry as much oil as possible into the engine to lubricate the internal parts during the break in d 1 After a minute or two of running back and forth at medium speeds slowly accelerating and decelerating the touring car make sure the engine is not overheating by putting a drop of water on the cylinder head If it boils away within 4 seconds stop the engine and allow it to cool Open the high speed needle around a 1 4 turn before starting again This is a good habit to get into every time you run to ensure that the engine does not overheat during any run Looking at the smoke that comes out the exhaust is also an indicator of how rich or lean the engine is running If there is a good amount of smoke coming out of the exhaust then chances are good that you are running rich LJ 2 Run the touring car back and forth at a medium speed until the tank is almost out of fuel Do not allow the tank to run out o
30. s from a bump Pre load on the springs means that the springs are already compressed some so that the suspension will rebound faster Sometimes you will want to pre load one side when the track has turns all or mostly in one direction for instance an oval track It will also increase the ride height MAINTENANCE TIPS Before Each Run Check for loosened screws on the touring car Engine vibration will loosen some of the screws particularly in the engine mount area Use thread lock on screws that thread into metal parts or use a metal nut Inspect the air cleaner for a torn or damaged element Also look for dirt in the air cleaner element and wash it if necessary Check the suspension and drive train for binding Inspect all of the wires for damage Also check the connectors to make sure all of them are tight and in the proper place Check the fuel tank and fuel lines for leaks Before starting the engine turn on the radio and make sure the servos move easily and in the right direction Before running always check the condition of your radio system batteries and replace recharge if necessary After Each Run Drain the fuel tank of any leftover fuel DO NOT return it to your fuel jug Put some after run oil in the carb and turn the flywheel several times to work the oil into the engine This will protect the engine from rusting especially when stored for a long period of time Check again for loosened screws CLEAN the to
31. se an inline fuel filter on the fuel line running from the fuel tank to the carburetor Dirt can get caught in the needle seat and cause an inconsistent running engine If you suspect that some dirt has lodged itself in the carb remove the needles and clean the carb with denatured alcohol or fuel It can help to use compressed air to blow out the fuel passages as well Dirt can get into your carburetor and engine through the air filter Ensure that your air cleaner has a good seal to the top of the carb Periodically wash the air cleaner foam element and re oil the filter Any air cleaner that has a torn element or a bad seal should be replaced immediately Overheating One of the worst things you can do to your engine is overheat it The oils that lubricate the engine are carried in the fuel If your engine is set too lean there will not be enough oil in the engine to lubricate the internal parts This will cause premature wear in the engine and cause damage PERFORMANCE TUNING Toe In Toe Out This refers to the angle of the front tires when viewed from above when the suspension arms are level If the fronts of the tires angle in it is called toe in and if the fronts of the tires angle out it is called toe out This is adjusted by lengthening or shortening the steering rods the rods that run between the front hub and the servo saver Normally a small amount of toe in is used to make the touring car track straight at high s
32. sted with a flat bladed screwdriver Caution Do not overtighten the high speed needle or you can damage your engine A ki C alier G I 5 RTR Version ONLY Install the included C size battery into the included glow starter as shown 11 Piece onio ihe glow plug Push and rotate clock Wie Oo Ick To remove push ond twist counter Chock vase Glow Plug LI 6 Install the glow starter onto the glow plug and gently press the top of the glow starter down and turn in a clockwise direction This will lock the glow starter onto the glow plug To remove the glow starter gently press down on the top of the glow starter and turn counter clockwise LI 7 Start the engine by pulling the recoil Use short quick pulls DO NOT pull the recoil starter s string to the end You only need 10 to 12 inches of pull to start the engine Many times it is helpful to start the engine at around half throttle Have a friend pull back on the throttle some while you start the engine This may be an indicator that the low speed needle setting needs to be adjusted When the engine starts immediately return the throttle to idle If this is not done the engine can over rev and cause engine damage If the engine is difficult to turn over with the recoil starter especially if it is brand new loosen the glow plug a half turn before starting the engine This allows some compression to escape but the engine will still start Make su
33. strength DTXC8406 Graphite Radio Tray DTXC9196 Graphite Front Shock Tower DTXC9253 Graphite Rear Shock Tower Ultimate Flywheel Wrench Made from blue anodized billet aluminum and slotted to fit 2 3 or 4 pin flywheels this handy lightweight wrench safely holds the engine flywheel for tightening or loosening clutch nuts DTXR1105 Rear Stabilizer Bar Kits Will improve handling by limiting body roll in tight turns DTXC9415 Stabilizer Bar Kit 1 8mm DTXC9416 Stabilizer Bar Kit 2mm
34. tion of the broken part e Dated copy of your invoice or purchase receipt e Your name phone number and shipping address REPAIR SERVICE Repair service is available anytime e After the 90 day warranty you can still have your Street Force GP2 repaired for a small charge by the experts at DuraTrax s authorized repair facility Hobby Services at the address listed on the front page of this manual To speed up the repair process please follow the instructions listed below _ h Under most circumstances return the ENTIRE system touring car and radio The exception would be sending in a Stress Tech part See the instructions under Stress Tech Guarantee NO Make sure the transmitter is turned off all batteries are removed and fuel is drained from the tank Q3 Send written instructions which include a list of all items returned a THOROUGH explanation of the problem the service needed and your phone number during the day If you expect the repair to be covered under warranty be sure to include a proof of date of purchase your store receipt or purchase invoice iN Also be sure to include your full return address SPECIFICATION amp DESCRIPTION CHANGES All pictures descriptions and specifications found in this instruction manual are subject to change without notice Duralrax maintains no responsibility for inadvertent errors in this manual SCREW INFORMATION Do not use too much force when ti
35. uring car Wipe off any oils that have collected on the chassis engine end exhaust Oils will attract dirt on the next run ASSEMBLY GUIDE The following information has been provided to help maintain and tune the Street Force GP2 NOTE A good quality thread locking compound must be used anytime a metal screw goes into a metal part Differentials Install two 5x8mm bearings 53 onto the male diff outdrive 58 and insert one 5x8mm bearing 53 into the female diff outdrive 57 Install a large diff ring 55 onto both the male and female diff outdrives 578 amp 58 Install the large diff balls 1 8 54 into the main diff gear 52 4 Apply a generous amount of differential grease onto both of the large diff rings 55 Install the large diff gear 52 onto the male diff outdrive 58 Then install the female outdrive assembly 57 onto the male outdrive 58 and main diff gear 52 Install a 3mm lock washer DD a small diff ring 60 the small diff balls 59 and then the other small diff ring 60 onto the 2x15mm diff screw 61 Install the diff screw 61 and thrust bearing assembly 59 amp 60 through the female outdrive 57 and into the male ouitdrive 58 Tighten the diff screw 61 down until it is snug Then back it off 1 8th of a turn Be careful not to over tighten the diff screw 61 This could cause damage to the diff parts Center Install two 5x10mm bearings 38 into the ends of the center
36. ver arm assembly onto the right servo saver post 113 Attach the right and left servo saver assemblies together using the steering drag link Brake 1 Install the brake cam 73 into the right rear bulkhead 5 2 Install the brake caliper spacer 114 into the right rear bulkhead 5 Note Make sure the brake caliper spacer keys into the flat spot on the brake cam Install a2x10mm pin 40 into the 2 speed main shaft 72 Install the brake nut 69 onto the 2 speed main shaft 72 Note The brake nut keys onto the 2x10mm pin Install a brake caliper 70 and then slide the brake disc 71 onto the brake nut 69 Then install the other brake caliper 70 onto the right rear bulkhead 5 Secure them to the bulkhead using two 3x12mm screws D Note When tightening the brake caliper screws make sure you do not over tighten them This could cause the brakes to engage prematurely Also setting them too loose can cause the brakes to be weak or not work 9 6 Install another 2x10mm pin 40 in the main shaft 72 Install a small pulley 49 onto the main shaft 72 and key it onto the 2x10mm pin 40 Install a belt guide 50 onto the small pulley 49 Note Make sure the guide keys onto the pulley Secure the assembly onto the main shaft by installing a 4mm e clip V a a i Rear Suspension 24 Install a 6mm ball stud 125 into the rear of the suspension arm 8 as shown in the diagram
Download Pdf Manuals
Related Search
DURATRAX Street Force GP2 Manual duratrax street force gp2 manual duratrax street force gp2 dtx 18 nitro manual duratrax street force parts