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  1. D

    Any billet cranks in DD'ers?

    My built motor with billet mains af cam and balanced LML crank just broke. 25,000 miles at 630rwhp and 5,000 miles at 725rwhp. I'm probably gonna go billet this time time around. I'm tired of rolling the dice.
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    Broken Crankshaft Count?

    The block i used the for the build is the original block. Holland automotive machine did the machine work. The block was magged, Decked to 90 deg, bored 40 over deck plate honed. the original mains were not scored and measured within spec after the first cracked crank. Socal billet mains were...
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    Broken Crankshaft Count?

    summer of 2015 I fractured a crank at the merchant automotive battle of the diesels. the motor was completely stock with stock fuel and a stock/s475 compound kit and 231,000 miles. After one of my passes the motor had a slightly different knock. balance rates were within spec but when I shut off...
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