Thread: 396 L78 block
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Old 02-15-2020, 07:08 PM
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the427king the427king is offline
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Sonic test it to be certain .....cylinder wall thicknesses can be all over the board on the same block even within the same bore,so be sure to measure 4 places on each bore . 854s are decent for boring to 427 but #962s are the best.....
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