Quote:
Originally posted by fstockcarrera
I agree the factory #'s are way off, but
I'm allowed to build to the factory spec. I don't have my #'s in front of me today. Bob
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The factory spec for 964 cylinder heights is 82.750mm (group 5) or 82.770mm (group 6) so if you have group 6 cylinders now you could shave them to group 6 spec and pick up .02mm there. The spec allows refacing the heads by .1mm twice so you pick up .2mm there. That only adds up to a maximum of .22mm. That's going to be far short of your 1mm target - if you want to remain in spec that is.
-Chris