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I stopped by the machine shop yesterday and they told me a price of 80 dollars to machine the tops. Mike is right on about the the piston. This is a dished piston and reduceing the ring land will only decrease the cup size and not affect the crown. The compression should go up a bit, but it was only 9 to 1 anyway. Also when I checked the piston to valve clearance with the heads on, I was at the minimun .08 on the intake side. To close for me so thought I'd have them flycut just a tad. 64 bucks for the flycut and 80 to cut the tops seems reasonable. Don i came real close to buying the shim but this seems like a better way to go. Thanks guys for your help. Terry
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