It isnt the bore they are the same on a 327 and 350 4". its all in the crank. 3.25 vs 3.48 stroke. main journals are different too but of course doesnt affect displacement.
Larry
Old man᠁Old truck᠁neither one goes very fast. All you need in life is TIME, PATIENCE and MONEY.
If you are missing one component, you'll need an abundance of the others two.
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