andiefrogger Posted April 17, 2007 Report Share Posted April 17, 2007 i had my heads milled not sure how much ?? but my comp is 145psi and i live at 5500ft ... i want a cool head cause it looks cool what dome will get me to where im at now?? i run avgas i runs great Quote Link to comment Share on other sites More sharing options...
bansheeyfz Posted April 18, 2007 Report Share Posted April 18, 2007 i had my heads milled not sure how much ?? but my comp is 145psi and i live at 5500ft ... i want a cool head cause it looks cool what dome will get me to where im at now?? i run avgas i runs great 21 or 20cc Quote Link to comment Share on other sites More sharing options...
jbooker82 Posted April 18, 2007 Report Share Posted April 18, 2007 look at noss's chart. http://www.nossmachine.com/banshee_heads.htm 145 compression at 5000 feet is 18cc domes. If your top end is in good shape I would probably get some 17cc domes. BigRed made his own domes because he rides at a way high altitude. Quote Link to comment Share on other sites More sharing options...
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