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4 This is what we mean about conflict. At the bottom of the bore, look how close the piston comes to contacting the crankshaft counterweight. Stroker pistons must be designed to both clear the crankshaft counterweight at bottom dead center and be flush with the deck at top dead center. This poses challenges for aftermarket companies because engine block architecture can vary considerably. Piston stability at bottom dead center can get tricky from block to block. If given a choice between a 289 or 302 block, choose the 302 because the cylinder skirts are longer. View Related Article
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