Re: Merc crank in 36LB block
I put an 8BA crank in a 37 block and the only change was themains had to be turned down. After that it dropped right in. However Walts right it was a 37 block and we used 8ba rods as well. on the 3 1/16 bore I ubderstand you can put the 8ba rods up from the bottom and install the wrist pin to install the piston. Never tried it, but somebody did.
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