.080 is generally considered the maximum but there are lots of them running with more. More than that would point you in the direction of overheating issues however. Also pistons and rings would become a problem unless you have them made.


1953 Chevy 5-window 3100
In the Stovebolt Gallery
More pix on Picturetrail

Dave
Engine & Driveline Moderator

If you can't make seventy by an easy road, don't go. ~~ Mark Twain