krauss4 Posted May 14, 2008 Report Share Posted May 14, 2008 how far can i advance a 4 mill stroke running on 110 octane fuel Quote Link to comment Share on other sites More sharing options...
Broke_Banshee Posted May 14, 2008 Report Share Posted May 14, 2008 +4 safely Quote Link to comment Share on other sites More sharing options...
runamuck Posted May 14, 2008 Report Share Posted May 14, 2008 I run mine at +6 on 100 oct fuel and never had a problem. Quote Link to comment Share on other sites More sharing options...
gregrob Posted May 14, 2008 Report Share Posted May 14, 2008 You have to ask a lot more questions and provide more info on that IMO. Like what compression are you running, what elevation, what is the squish on your domes, what spark plugs are you running (heat range), etc, etc. I'd keep it around the +4 or +5 mark and watch for any signs of detonation. Then go from there. Quote Link to comment Share on other sites More sharing options...
dirtydownunder Posted May 14, 2008 Report Share Posted May 14, 2008 my quad is standard and i was wondering if +2 degrees would be ok for stock pipes ? i use atleast 98 octane. Quote Link to comment Share on other sites More sharing options...
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