rjbestracing Posted May 3, 2007 Report Posted May 3, 2007 just checked compression on banshee and gave it ten kicks on each cylinder the reading was as follows both cylinders had 150 does this mean bike needs to run on race gas please give me advice dont want to lean out bike Quote
BansheeKid15 Posted May 3, 2007 Report Posted May 3, 2007 usually people start running higher octane with 160 psi. Im getting a noss head with 21cc domes (supposed to be about 150 with a fresh rebuild) and im going to run 91. should be fine IMO Quote
rjbestracing Posted May 3, 2007 Author Report Posted May 3, 2007 usually people start running higher octane with 160 psi. Im getting a noss head with 21cc domes (supposed to be about 150 with a fresh rebuild) and im going to run 91. should be fine IMO oh ok ive ran the bike slow to break it in, on 93 octane and it seems fine bike has mild port, .030 over, cpi and 20 thousands milled head Quote
jlsparky7 Posted May 3, 2007 Report Posted May 3, 2007 oh ok ive ran the bike slow to break it in, on 93 octane and it seems fine bike has mild port, .030 over, cpi and 20 thousands milled head Whats your elevation? Im thinking of doing the same thing. Quote
bigboybanshee Posted May 3, 2007 Report Posted May 3, 2007 At 150psi, you should have no problems at all with 93 octane. You could bump your timing to +4 and still be fine with pump gas :thumbsup: Quote
Animalman294 Posted May 3, 2007 Report Posted May 3, 2007 Yeah, 150 should be fine on pump gas, but if you go above the mentioned 160 you need to go 50/50 at the least, but I would go with full race fuel above that.......... Quote
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