harley_sr Posted August 17, 2004 Report Share Posted August 17, 2004 Ok I have some 20cc domes right now, I was thinking of going to 18cc domes.. I run 110 race gas with amsoil, what will changeing the domes do? I know more comp., but will I notice a HP increase? I have a slightly moded banshee. No porting as of yet. But I have trinity outta frame pipe w/ stingers, V-force II reeds, 30mm carbs, Noss Head, 20cc domes, timeing advance plate, couple other little things.. Will the 18cc work for me? Quote Link to comment Share on other sites More sharing options...
MULLET~BOY Posted August 17, 2004 Report Share Posted August 17, 2004 you wont be able to really tell with 20cc domes and no porting you should only be running a 50/50 race and 92 gas mix Quote Link to comment Share on other sites More sharing options...
harley_sr Posted August 17, 2004 Author Report Share Posted August 17, 2004 what will it do if i run straight race gas? I am running the 20cc domes now. one of my buddies has just a shaved head, and he runs 112 on it, and has had no probs. Quote Link to comment Share on other sites More sharing options...
bigwill Posted August 17, 2004 Report Share Posted August 17, 2004 If your compression is 165 or above-I would run race gas-its a compression thing-the missing link to your engine is a good port job-the more flow the faster you go-all those mods are not reaching their potential with out a port job Quote Link to comment Share on other sites More sharing options...
dlnoss Posted August 17, 2004 Report Share Posted August 17, 2004 I think 18cc domes with your mods at sea level might be a little much for a stock unwelded crank. It might last a while but I think it would be ticking. Quote Link to comment Share on other sites More sharing options...
harley_sr Posted August 17, 2004 Author Report Share Posted August 17, 2004 Cool I will just stick with what i got until I can get a port job, and a new crank. Thanks Noss, and every one Quote Link to comment Share on other sites More sharing options...
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