408-Inch Ford Stroker
Ray Baird of CHP says that if you’re running a 351 block (’81 and older) with a two-piece rear-main seal and using a newer forged steel crank, make sure that the thrust ridge (arrow A) doesn’t hit the block (arrow B) when trial fitting it. The overall diameter of the later-style forged crank’s counterweights are larger and designed for the later one-piece rear-main-seal blocks. If the ridge is anywhere near the block, be sure to clearance it. View Related Article
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