cool head

[andiefrogger]

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

[bansheeyfz]

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

[jbooker82]

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.