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Old 12-18-2019, 11:37 PM
tom s tom s is offline
Ultimate Warrior
 
Join Date: Jan 2000
Location: long beach ca usa
Posts: 18,764
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If you have to use a 57-58 block you could buy a 3in main 4-4.21-4.25 stroke crank and just have the mains turned down and not having to offset grind.Tom