New project boat
#31
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#32
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if you are rebuilding the engines, you might as well make them 383's. as long as you are buying pistons for a rebore, they are same price and the 3.75 stroke crank new is not much more than a regrind on existing cranks. you need to rebalance the engines.
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Why do I need to rebalance the engines? The only thing that is going to change would be new pistons