555 bbc

[macksstreetrod]

Hey Guys
What is the max. clearance i can have on piston to cylender wall? engine built for nos. .....502-60 over with150 shot
Thanks Mack

[zipper06]

For nos i build .007/.008 clearence, i think any more than that you'll have trouble sealing the rings.

JMO


Zip.

[macksstreetrod]

Hey Lord
sure was hoping for a little more than that.didn't want to have to bore it.
Thanks for your reply
Mack

[altune]

007 seems kinda tight.
what piston expansion at?
we run in the .012-.015
?