Emhyr Posted April 7, 2013 Report Share Posted April 7, 2013 Hi, now i'm running stock head (i think it has 22cc domes) I was wondering could i run 20cc domes? in my country i can get pump gas like 95 or 98 octan my mods: 0.20 over jugs port matched to the cases exhaust port polished to the mirror + 4 timming (modded stock plate) T5 kit with toomey neddle 300main and 27.5 pilot - i'm on a sea level airbox with lid on it (snorkel removed and instaled uni airbox vents 8pcs) uni stage 2 airfilter about 130-135psi on stock head now i want to buy some prodesign cool head, but don't know which domes would be better (safe) 20cc or 21cc, need some advice from bhq ;-) Quote Link to comment Share on other sites More sharing options...
Emhyr Posted April 7, 2013 Author Report Share Posted April 7, 2013 yep it's milled a little bit like 0.001 and it's fresh rebuild less than 2hrs of riding, if it depends i have hot rod crank with stock stroke NOT welded too i know 21cc will be fine, but 20cc will give me a little mor comp, my friends bike has a 170psi but i don't know his domes size and it runs fine on 95oct fuel Quote Link to comment Share on other sites More sharing options...
Emhyr Posted April 7, 2013 Author Report Share Posted April 7, 2013 than i should buy 21cc and it should be fine? Quote Link to comment Share on other sites More sharing options...
Emhyr Posted April 7, 2013 Author Report Share Posted April 7, 2013 edit stock is like 22 cc yup? Quote Link to comment Share on other sites More sharing options...
Emhyr Posted April 7, 2013 Author Report Share Posted April 7, 2013 than what should i get to run it safe with my mods on sea level? Quote Link to comment Share on other sites More sharing options...
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