the threads in the block should matter that much. You only tighten the studs down till the bottom out. The part that matters is the friction between the upper threads and the threads on the nut. Then also friction between the washer and the nut. But when actualy torqing the head down, the studs dont spin the the block.
_________________1/4 ET-11.657@121.18mph w/ 1.682 60'
445whp/427tq on RRE Dyno
All on 91 pump.
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