actually the newer 347 kits have changed the configuration of the pistons and rods and have very liveable rod/ stroke ratios and chp i know has a redesigned piston that alleviates the wrist pin and oil ring intersection they have basically made the 347 just as reliable as the smaller strokers but up until recently the afforementioned problems were quite common but through research and advanced technology the aftermarket has seen fit to improve stroker kits and has greatly advanced their reliability.
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