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Originally Posted by Matt D.
From what I've always understood is that a regrind is where they weld a cam up then grind it down to where it should be. Therefore the base circle and lobe wouldn't be all out of proportion.
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That would be a "hardweld" cam.
It uses a "spray" welding technique. The regrinds are just like vicious mentioned, cutting down on the base circle. Therfore you need to shim your lifter, or in our case a HLA so the radio maintains similar to stock.
Case in point, my cams.
Going from .375" to .412" lift. I am being told to use a #10 washer (.030"). I'll be dialing out the factory overlap with aftermarket Cam gears.
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