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14 • SLAYER PRO 4X4

Traxxas strongly discourages 
changing or modifying any 
part of the TRX 3.3 Racing 
Engine. Old tech tips and 
tricks that may have boosted 
the power of other engines 
could seriously diminish the 
performance of the  
TRX 3.3 Racing Engine.

There’s more advanced 
thinking, development, 
and testing in the stock 
parts of your TRX 3.3 
Racing Engine than in many 
aftermarket manufacturer’s 
performance parts. The TRX 
3.3 Racing Engine is already 
the most powerful engine 
in its class and may not 
benefit from average, low-
tech, aftermarket bolt-on 
performance items.

INTRODUCTION

The TRX

®

 3.3 Racing Engine is the next generation of TRX nitro 

power. The larger displacement and advanced porting generate 
class-leading horsepower while still maintaining the TRX Racing 
Engine characteristics of broad, linear power delivery and ease of 
tuning. Focused engineering and rigorous testing have yielded 
unprecedented power and uncompromising performance that turns 
ready-to-run into Ready-To-Race®.

The TRX 3.3 Racing Engine takes a total-system approach. Each 
part of the engine, from the air filter to the exhaust tip, is carefully 
engineered to work in harmony with other engine components. Each 
part complements the next, to extract maximum power. The TRX 3.3 
Racing Engine is designed to be tolerant of variations in tuning, and 
to run successfully through a wide range of variable atmospheric 
conditions such as changes in temperature, humidity, and altitude.

In order to get the longest engine life and keep the TRX 3.3 Racing 
Engine in top running condition, it is very important to perform 
regular routine maintenance. 

The number one cause of premature 

engine wear and failure is lack of care and maintenance!

BREAK-IN

The TRX 3.3 Racing Engine is manufactured to exacting tolerances 
and requires a specially-designed break-in procedure to accomplish 
the final precision fitting of the internal engine components. It is very 
important that you follow the new break-in procedure as closely as 
possible to achieve the best performance and longest life from your 
TRX 3.3 Racing Engine. Engine break-in will take between one and 
two hours. Old style break-in procedures, such as idling the engine on 
the bench for several tanks of fuel or simply running the engine with 
a very rich fuel mixture for the first 4 tanks of fuel, will not achieve the 
best results. Follow the easy steps in this manual.

AIR FILTER MAINTENANCE

Dirt is the worst enemy to your engine. A clean air filter is absolutely 
critical for long engine life. Due to the high performance nature of 
the TRX 3.3 engine, a tremendous amount of vacuum is created to 
move a large volume of high velocity air through the carburetor. This 
model is equipped with a two-stage high performance air filter which 
requires that the pre-filter stage be cleaned and oiled every hour of 
operation, and the primary filter be cleaned and oiled every 3-4 hours. 
An extra pre-lubed air filter set has been provided with this model to 
encourage you to maintain the engine’s air filter. 

AFTER-RUN MAINTENANCE 

Perform after-run maintenance on the engine to prevent corrosion 
from building up on the internal engine components. The fuel 
naturally attracts moisture, and corrosion can build up very quickly 
inside the engine if it is not prevented.

A few minutes spent before and after each time you run your model 
will allow you to enjoy it for a long time to come. Read on for more 
exciting details about your new engine.

THE TRX 3.3 RACING ENGINE

Содержание Slayer Pro 4x4 59074

Страница 1: ...owner s manual MODEL 59074...

Страница 2: ...design of the TRX 3 3 Racing Engine has a special break in procedure that has been developed and proven to produce the best performing engine possible Using traditional or old fashioned procedures cou...

Страница 3: ...h your question at support Traxxas com Join thousands of registered members in our online community at Traxxas com Traxxas offers a full service on site repair facility to handle any of your Traxxas s...

Страница 4: ...xposure to the engine exhaust can be harmful Avoid breathing the engine exhaust Always run your Slayer outdoors in a well ventilated area Never run the engine indoors Do not operate your Slayer at nig...

Страница 5: ...ies on page 10 Supplied Tools and Equipment Required Tools and Equipment sold separately Glow plug wrench Extra glow plug 1 5mm L wrench 2 0mm T wrench 2 5mm T wrench Shock wrench Suspension multi too...

Страница 6: ...e Fuel Line EZ Start Motor Bulkhead under chassis Body Mount Post Chassis Driveshaft Half Shaft On Off Switch Throttle Linkage to Throttle Brake Servo below filter Antenna Mount Access Plug for two sp...

Страница 7: ...rocedure for your TRX 3 3 5 Decal and Install the body See page 12 14 Break in your engine See page 23 You will need to use the body during break in so it s best to apply any additional decals before...

Страница 8: ...tion that the servos seek when the transmitter controls are at the neutral setting NiCad Abbreviation for nickel cadmium The original rechargeable hobby pack NiCad batteries have very high current han...

Страница 9: ...nd channel two operates the throttle The receiver inside the model has three output channels Your model is equipped with two servos and a receiver Slayer Pro 4x4 Wiring Diagram Antenna On Off Switch R...

Страница 10: ...rol of your model it is important to stop at the first sign of weak receiver batteries to avoid losing control Visible warning signals include sluggish steering response and shortened radio range Inst...

Страница 11: ...ur transmitter was not programmed properly at the factory Do not reverse the throttle or steering channels unless necessary Steering reversing procedure 1 Press and hold the SET button on the transmit...

Страница 12: ...ntil you reach the farthest distance you plan to operate the model 4 Operate the controls on the transmitter once again to be sure that the model responds correctly 5 Do not attempt to operate the mod...

Страница 13: ...wire against the chassis Do not bend or kink the antenna wire Do not shorten the antenna tube See the side bar for more information Fail Safe Your Traxxas radio system is equipped with a built in fail...

Страница 14: ...of premature engine wear and failure is lack of care and maintenance BREAK IN The TRX 3 3 Racing Engine is manufactured to exacting tolerances and requires a specially designed break in procedure to a...

Страница 15: ...Carburetor Air Intake Fuel Intake High Speed Needle Idle Speed Screw Clutch Bell Crankcase Two Stage Air Filter Glow Plug EZ Start Plug Positive Wire Negative Wire Fuel Line Fuel Tank Tuned Pipe Heade...

Страница 16: ...e s body that contains all of the running mechanical components Crankshaft The main shaft of the engine that holds the reciprocating assembly Cooling fins The cooling fins are milled into the cylinder...

Страница 17: ...s the first level of air filtration for the engine The majority of dirt and debris will be stopped by this filter Clean re oil and replace this filter after every hour of run time Always use both the...

Страница 18: ...other factors determine how much nitro can be efficiently used in the engine The TRX 3 3 Racing Engine responds exceptionally well to a maximum of 33 nitro returning cooler temps more power and a smoo...

Страница 19: ...t Do not pull straight up 2 Remove the pre filter element 3 Clean the pre filter element by thoroughly washing the foam element in hot soapy water dishwashing detergent works well Repeat twice 4 Thoro...

Страница 20: ...vailable air atomization THE FUEL MIXTURE NEEDLES The amount of fuel metered and atomized by the carburetor is controlled by the two mixture needles the high speed needle and the low speed needle The...

Страница 21: ...unit and an on board motorized starter Power for the EZ Start system comes from a 7 2 volt rechargeable battery pack installed in the hand held control unit The engine glow plug is heated automaticall...

Страница 22: ...charged may not deliver enough power to crank the engine over at the appropriate rpm to keep the piston from sticking at top dead center TDC A new engine will typically have a tight fit between the pi...

Страница 23: ...r after break in Follow the instructions exactly for each of the first 5 tanks of fuel Starting Your TRX 3 3 Racing Engine for the First Time Before you start your TRX 3 3 Racing Engine for the first...

Страница 24: ...3 When the fuel tank is nearly empty shut off the engine and refuel From here on you do not need to let the engine cool between tanks Tank 4 1 Driving procedure Gently pull the throttle trigger to fu...

Страница 25: ...ds then it is likely that it is over 220 F and needs to cool down If the water takes a long time or does not evaporate at all then the engine is too cool We do not recommend that you operate your engi...

Страница 26: ...counterclockwise and retest This setting will extend engine component life Low Speed Fuel Mixture Adjustment The low speed mixture is always set after the high speed needle is correctly adjusted The l...

Страница 27: ...nfluence on engine temperature is air temperature Expect the engine temperature to vary almost in direct proportion to air temperature Assuming you tuned the engine for the same maximum performance ea...

Страница 28: ...hing with your Slayer Pro 4x4 The engine is cooled by airflow created by speed Towing creates a high load on the engine and at the same time limits cooling of the engine due to low vehicle speed If yo...

Страница 29: ...x4 is lightened significantly for racing applications softer springs will be necessary to allow the suspension to sag properly Heavier configurations will require stiffer springs The suspension sag an...

Страница 30: ...Empty the used shock oil from the shock body 4 Fill the shock with new silicone shock oil up to the top of the shock body 5 Slowly move the piston up and down always keeping it submerged in oil to rel...

Страница 31: ...1 Limiting the engine s torque output to the wheels to prevent wheelspin on low traction surfaces and help to prevent damage to the gears in the transmission during on throttle landings 2 Protecting t...

Страница 32: ...lap after each adjustment On a small race track with many tight turns try setting the shift point later so that the truck only shifts into second gear on the main straightaway This will prevent an un...

Страница 33: ...oulder bolts that are used to secure the brake pads to the transmission housing may need to be adjusted periodically as the brake material wears down They should be tightened so a 0 50mm 020 gap exist...

Страница 34: ...ld be replaced when the piston and sleeve are replaced Also replace the piston wrist pin and G clip whenever the connecting rod is replaced As with other internal engine components connecting rod life...

Страница 35: ...reinstall the glow plug and gasket 6 Reconnect the blue glow plug wire to the glow plug 7 Reconnect the EZ Start controller 8 Do not prime the engine Pull the throttle to 1 2 throttle and push the EZ...

Страница 36: ...ration Refer to the chart on page 37 for proper settings Stock the Slayer Pro 4x4 is setup to increase rear toe in during acceleration Note that rear toe out is not used Rockers Progressive Rate Suspe...

Страница 37: ...d look up your suspension combination caster angle and roll center position to find the correct position for the front outer toe links The same is required for the rear control links Adjustment is ach...

Страница 38: ...unloaded wheels on the inside of the turn have the least traction and tend to spin up to extremely high rpms Higher viscosity thicker oil causes the differential to act like a limited slip differenti...

Страница 39: ...spension multi tool B 7 Slide the bump stop onto the shaft 8 Grip the shaft close to the threads with needle nose pliers or side cutters and thread the rod end onto the shock shaft until the rod end b...

Страница 40: ...121204 KC1754 R01 1100 Klein Road Plano Texas 75074 1 888 TRAXXAS MODEL 59074 owner s manual...

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