Reusing lifters

Ceedawg said

After watching and thinking about what he was doing, are his flat, or is his stone ground concave to get the convex face? Or is the lifter cut at an angle (less than 90 degrees to stone)? one thing, an old used lifter is 50 times better than the junk of today. Maybe the new ones are ground wrong, the quicky cheap way.

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Must have a radius dresser for the wheel to get the 50" radius, and maybe the lifter comes in at a 1 degree angle? Be nice to know the whole story. I could do them on my lathe with the tool post grinder if needed. But I think I'd send them to Rocker Arms Unlimited before I go through the hassle of setting the machine up.