Figuring out how much heads have been cut?

I picked up a new Performer RPM intake and when I tried to install it, the bolts holes were all off 1/2 a hole in height. The M1 that came with the engine ended up going back on, which was also a challenge to get the bolts started, but eventually they all fit.

I am assuming since the new intake didn't fit, that either my heads were milled or the block was decked at some point over the years and the mating surface on the heads weren't adjusted to match.

Is there a good (easy) way to grab...

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Author: admin