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Engine block thread clean up
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03-09-2019, 04:15 PM
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supereal
Senior Member
Join Date: Jul 2014
Location: Iowa
Posts: 1,634
Re: Engine block thread clean up
Using a threading tap instead of a chasing tap, can result in damage or loss of the threads in the block. The cast iron is usually very soft from the annealing effect of years of heat/cool cycles, and easy to strip.
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