Quote:
Originally Posted by 1990BNR32
the dummy head i used for my overbore to 87mm was shipped out to me from XS engineering. it is about 2" thick and it is *HEAVY* so I'm pretty sure it's not aluminum.
the explanation i was giving is that you just need something on top of the block and torqued down to the same spec you torque the head to at each head bolt/stud hole because the bores will distort with/without something bolted on.
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Thanks for that, I think it's enough of a explanation to me.
Marc