I've done a bit of searching,and found that a stock 59 ci 60hp pumps 120psi compression.i've seen a few guys post on here that a stock merc 40 pumps around 135 psi.merc list a different part number between the two.
has anyone cc'd a 40 or 60 block.
I've done a bit of searching,and found that a stock 59 ci 60hp pumps 120psi compression.i've seen a few guys post on here that a stock merc 40 pumps around 135 psi.merc list a different part number between the two.
has anyone cc'd a 40 or 60 block.
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