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i had a steel crank and block, 283. i couldnt tell from just lookin. the guy that gave it to me showed me the ping thing. i couldnt really do that either. even side by side with a cast crank. hahaha. he also said he can find a crack in a crank by that ping test. is he b s'n me or do you guys know anything about that. i dont know much about engines. just piddle with em.
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