banshee07 Posted April 16, 2015 Report 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
Strm Trpr Posted April 19, 2015 Report 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
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