<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: ssl78</div><div class="ubbcode-body"> Does any body know the thickness of a 69 Chevy big block deck pad that hasnt been decked. The first shot is a block thats been decked the second is a non decked block but it is a 74 dated block.
Wouldnt this be a sure way of being able to identify a restamp
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My educated opinion is that would not give a conclusive answer. There are core shifts in castings and that is why some have thin cylinder walls on 1 side after a re-bore and also why the thrust surface where the cam is installed is off center often. Because of these shifts that pad probably falls into a range that could vary .100 (swag) whereas a deck may be as little as a clean up cut or a blueprint (zero deck height to piston tops). There are so many variables that nothing conclusive could be measured from that pad thickness,IMO.
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