Thread: To bore or not
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Old 11-03-2017, 04:25 PM   #10
mhuggler

Name: mhuggler
Title: One piece at a time
Status: Not Here
Join Date: Sep 2007
Location: Uno, Pa.
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Posts: 1,523
Quote:
Originally Posted by WAYNES WORLD View Post
Guys,

This has been brought to my attention--------
Should I bore a 12 valve block or not?
I have a machine shop that sites NO-------
What is your opinion?

WAYNES WORLD
For what it's worth: Out of the countless Cummins B blocks that I've finish honed(Sunnen CK-10; old school!), I'd say 65-70% of the blocks cleaned up perfect by only removing .002" which is where I liked to run them anyway.
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