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I'm ready to take my block to the machine shop for mostly ordinary work. The question of deck flatness will come up, I expect. Is it customary to shave the top of the block to flatten the deck? If so, how do you adjust the cylinder protrusion to achieve the rather narrow spec of 3-5 mils? The shop manual says to use figure-8 gaskets of some appropriate thickness, but I see two problems with this: (1) they don't seem to be very easily available, and (2) if you shave the block, you might be left with too much protrusion, even with a thin gasket.
So, what is done about this? If necessary, is is OK to shave the tops of the cylinders, for example?
So, what is done about this? If necessary, is is OK to shave the tops of the cylinders, for example?