View Single Post
Old 03-22-2023, 04:26 PM   #9
Ol' Ron
Senior Member
 
Ol' Ron's Avatar
 
Join Date: May 2010
Location: Chester Vt
Posts: 8,985
Default Re: How to Increase compression on 1937 Flathead

I think the .070" max was due to spark plug interference. Not sure. I\ve been working on a simple way to move the plugs, but not there yet?????
Ol' Ron is offline   Reply With Quote