banshee07 Posted April 16, 2015 Report Share Posted April 16, 2015 I'm currently running 22cc domes +4 timing and 91 fuel. If I run av gas 100LL what could I go up to for timing approx and be safe? Or would I benifit more from more compression? Quote Link to comment Share on other sites More sharing options...
trickedcarbine Posted April 16, 2015 Report Share Posted April 16, 2015 +4 Quote Link to comment Share on other sites More sharing options...
Pasi S. Posted April 16, 2015 Report Share Posted April 16, 2015 Welded crank!? Quote Link to comment Share on other sites More sharing options...
Strm Trpr Posted April 19, 2015 Report Share Posted April 19, 2015 22cc domes w/+4* on 91 octane is safe. Is the crack welded? If not, stop right there. Is the motor ported? Quote Link to comment Share on other sites More sharing options...
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