high compression head
Posted: Mon Jul 11, 2011 10:41 pm
put a high compression head on and no changes
Keeping Spree Elite Aero 50cc and Gyro Alive!
http://fastfoamfilter.com/hondaspree.net/phpBB3/
http://fastfoamfilter.com/hondaspree.net/phpBB3/viewtopic.php?t=19916
NEVER use octane booster unless you want to blow up your motor. Use premium pump gas, but do not get too carried away with how much you cut, .020" is plenty.wiguy05 wrote:Needs more octane booster
honda spree 86 wrote:its milled down and the bowl is brought down, its after market