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Old 04-17-2023, 06:31 AM   #8
Larry Hill
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Join Date: Oct 2004
Location: Hickory, Ky
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Default Re: crankshaft grinding for stock

It’s surprisingly difficult to take a standard OEM crank and stroke it plus .013” and index the crank pins 90* to each other. It becomes a very tight window to work in. I do not have any experience with the new LS, Hemi, or Ford crankshafts but the old stuff was pretty bad.
Who ever you get make sure they have a wet magnaflux that can do end shots and coil shots with a demagnetizing setting and a hand held meter to check to residual magnetism. I think I remember this correctly, the cracks will show up perpendicular to current flow. Don’t want to spend money on a cracked crank or have a crank that attracts iron particles.

We still use our crankshaft straightener press.
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