Thread: 4.250 stroke/454 block

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i might get my hands on a 454 block with 781 heads, wanted to know if i'd have trouble stuffing a 4.250 stroke crank(496) in? I'm thinking a little grinding might need to be done to make it fit. thanks

has to do with the rods bolts. caps screws H or I should not . stock GM 7/16 rods yes some grinding i have did many H beams and cap screws I beams with no grinding and did just one 454 stock block with H beams i had a small bit to trim out

i didnt have too trim any on the high perf block im doing

well out of over 12+ of the i did trim one and have put 632 with out much with dart or world or donovan but the gm bowties you will grind on any thing over 4.250 and the rods that you use has alot to do with how much you grind