dashee03 Posted August 11, 2006 Report Share Posted August 11, 2006 How much can i avance my timing while running 93 octane. My compression is 135. Thanks Quote Link to comment Share on other sites More sharing options...
dajogejr Posted August 11, 2006 Report Share Posted August 11, 2006 Should be ok with +4...but listen to your engine. If it starts running like pooh, or...it sounds likes steel bearings are shaking around inside your motor, back it off or run a little bit of race gas, say 25%. You should be ok... Quote Link to comment Share on other sites More sharing options...
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