87bansheeguy Posted June 12, 2008 Report Share Posted June 12, 2008 With my timing plate set at +4, 21cc domes, what the best oil to use, and what gas to oil ratio should i use Quote Link to comment Share on other sites More sharing options...
brugal Posted June 12, 2008 Report Share Posted June 12, 2008 Best oil is a matter of prefrence.40:1 is a good start Quote Link to comment Share on other sites More sharing options...
87bansheeguy Posted June 12, 2008 Author Report Share Posted June 12, 2008 Best oil is a matter of prefrence.40:1 is a good start yeah thats wut i ran stock i wasnt sure if it would change but can i run on premium? or will it have to have some kind of race fuel mix and should i keep my stock head on or the 21cc domes with a stock clutch without it giving out Quote Link to comment Share on other sites More sharing options...
gregrob Posted June 12, 2008 Report Share Posted June 12, 2008 You will need to check your compression when you get it all assembled.... If it's over 145 or so I'd be mixing some race gas to bring your octane up to around 96+. That depends on how much timing you plan to run as well though... For oil I use Maxima Castor 927 and mix it around 35:1 Quote Link to comment Share on other sites More sharing options...
87bansheeguy Posted June 12, 2008 Author Report Share Posted June 12, 2008 You will need to check your compression when you get it all assembled.... If it's over 145 or so I'd be mixing some race gas to bring your octane up to around 96+. That depends on how much timing you plan to run as well though... For oil I use Maxima Castor 927 and mix it around 35:1 ok my timings going to be at +4 and i wont have time to do a compresion check before its done will i be safe with preimuim Quote Link to comment Share on other sites More sharing options...
shanYE west Posted June 12, 2008 Report Share Posted June 12, 2008 yeah you should be safe with premium. 160 is usually the cutoff before you have to start using race fuel. you should be in the 145-155 compression range with them domes depending on elevation and what not. Quote Link to comment Share on other sites More sharing options...
87bansheeguy Posted June 12, 2008 Author Report Share Posted June 12, 2008 yeah you should be safe with premium. 160 is usually the cutoff before you have to start using race fuel. you should be in the 145-155 compression range with them domes depending on elevation and what not. yeah im going to be at silver lake sand dunes in michigan my stock clutch wont give out with all that compression will it? Quote Link to comment Share on other sites More sharing options...
shanYE west Posted June 12, 2008 Report Share Posted June 12, 2008 (edited) yeah im going to be at silver lake sand dunes in michigan my stock clutch wont give out with all that compression will it? if your running silver lake you'll be fine with 21cc domes and +4 timing on premium fuel. Clutch "should" be ok... but alot of that depends on the strength of the springs and conidtion of the clutch componets. I'd start looking into a aftermarket clutch kit though if your gonna start modding the bike. The Tusk kits from Rockymountain are a nice upgrade for the price. I'm trying to put a HQ ride together for the weekend of the 26th in July. You should try and make it! Edited June 12, 2008 by Fouledout421 Quote Link to comment Share on other sites More sharing options...
87bansheeguy Posted June 12, 2008 Author Report Share Posted June 12, 2008 hell yeah i would love to go send me a pm or something wen you figure it out Quote Link to comment Share on other sites More sharing options...
shanYE west Posted June 12, 2008 Report Share Posted June 12, 2008 I started a thread already "Silver lake HQ ride" Quote Link to comment Share on other sites More sharing options...
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