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View Full Version : What's the bore size on a .60 BBC?



jester
06-03-2002, 06:04 AM
I would like to order head gaskets for my .60 over BBC today and need to know the bore size. I was gonna mic it last night, but forgot and I can't get to it for a couple days.
Thanks, Jester

comin' unscrewed
06-03-2002, 06:12 AM
Was your engine a 454? If so the standard bore is 4.251 so a .060 overbore would make it 4.311

jester
06-03-2002, 06:57 AM
Thanks, I guess that was a stupid question on my part, my only excuse is it's early on a Monday morning!

mister460
06-04-2002, 11:46 AM
But remember that the bore size on the head gasket is going to be bigger than the bore. Usually about .100 inch bigger. Just throwing that out there.

comin' unscrewed
06-04-2002, 05:25 PM
Fel-Pro #1027 4.370 bore.