Quote:
Originally Posted by taff2
That shaft wouldn't be used in any engine of mine, not even a mild street type.
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You guys really need to study metallurgy and heat treating. As long as the base alloy isn’t brought past its quench point( very unlikely in a normal lathe cutting operation) turning .050 off of it isn’t a cause for alarm. If it makes you sleep better at night, re-heat treat the shaft. The ONLY Pontiac oil pump drive shaft I have ever had fail was one I bought from H-O years ago. It didn’t break, but it was certainly interesting getting that steel “pretzel” out of the block. FYI....incorrect installation .