Hi,

I'm not really sure to understand all about your problem (coz my poor english ), but if you have a very hot temp, the engine attempt is idle regime in 2 times (high a few second and low), their is a delay for the engine to accelerate when you put your foot down, and the engine cut off smack on the middle of an acceleration, ...

it's the low end needle. you have to 1 turn out from flush (Cen original set up recommanded)



You can find other information about cen engine here -> [link=http://www.cenracing.com/downloads/enginemanualv2.zip]cen Nitro handbook[/link]

or [link=http://creedpwet.dyndns.org/index.php?option=com_content&task=view&id=213&Item id=91]Here[/link], but it's in french (a english translation will online soon).

I expect that could help you a little ...

Recommended engine settings:
Top end: 3 ½ - 4 ½ turns out
Bottom end: Flush – 1 turn out from flush
Idle: 1mm gap
Recommended engine temp: 250-260 degrees Fahrenheit