View Single Post
Old 05-26-2008, 12:31 PM
Bikeguy Joe Bikeguy Joe is offline
Godfather of Motorized Bicycles
Join Date: Jan 2008
Location: up north now
Posts: 11,531
Default Re: Suddenly running better

I've never used anything but 87 and never had any pre-ignition problems...these engines are 6.5:1 I think.
Reply With Quote