RCU Forums - View Single Post - Good 3.7-4.2 conversion?

08-27-2003 | 11:42 PM

#14

Rcpilot

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Ken

Thanks for the tip. I figured it out the hard way

about a month ago.

My engine is surging at high speed. RPM is 6900 with the 22-8 and 40:1 mix. It surges up and down about 500RPM. Cylinder temp reached 315 farenheit

Is that too high?
Thanks

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