RCU Forums - Engine issue

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Walmart Security

10-01-2008 01:41 PM

Engine issue

I noticed on my tmaxx 3.3 that when i get it tuned right (it seems to be right), and i make a high speed pass it kinda "purrs" when the engine is slowing down. is this normal?

warheadforever

10-02-2008 09:59 AM

RE: Engine issue

If you mean that it takes a millisecond for the RPM do drop after you let of the gas, then yes, that is normal. If it takes a few seconds, then you are getting something called "run-on" which is were you have the low end needle set to rich. The fix, lean the low speed needle a little bit.

Hope I helped.
Warheadforever

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