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The TRX 3.3 Racing Engine
Introduction
The TRX 3.3 Racing Engine is the next generation of TRX nitro power.
Traxxas strongly
The larger displacement and advanced porting generate class-leading
discourages changing or
horsepower while still maintaining the TRX Racing Engine characteristics of
modifying any part of the
TRX 3.3 Racing Engine. Old
broad, linear power delivery and ease of tuning. Focused engineering and
tech tips and tricks that
rigorous testing have yielded unprecedented power and uncompromising
may have boosted the
performance that turns ready-to-run into Ready-To-Race® .
power of other engines
The TRX 3.3 Racing Engine takes a total-system approach. Each part of
could seriously diminish
the performance of the
the engine, from the air filter to the exhaust tip, is carefully engineered
TRX 3.3 Racing Engine.
to work in harmony with other engine components. Each part
complements the next, to extract maximum power. The TRX 3.3 Racing
There's more advanced
Engine is designed to be tolerant of variations in tuning, and to run
thinking, development and
successfully through a wide range of variable atmospheric conditions
testing in the stock parts of
such as changes in temperature, humidity, and altitude.
your TRX 3.3 Racing Engine
than in many aftermarket
In order to get the longest engine life and keep the TRX 3.3 Racing
manufacturer's
Engine in top running condition, it is very important to perform regular
performance parts. The
routine maintenance. The number one cause of premature engine
TRX 3.3 Racing Engine is
wear and failure is lack of care and maintenance!
already the most powerful
engine in its class and may
not benefit from average,
Break-In
low-tech, aftermarket bolt
The TRX 3.3 Racing Engine is manufactured to exacting tolerances and
on performance items.
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
A clean air filter is critical for long engine life. Due to the high-
performance nature of the TRX 3.3 Racing Engine, a tremendous amount
of vacuum is created to move a large volume of high-velocity air through
the carburetor. Dirt is the worst enemy to your engine. Clean the air filter
after each hour of running to prevent sucking dirt into the engine. An
extra pre-lubed air filter element has been provided to encourage you to
maintain your air filter.
18 • Revo 3.3
™
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.
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