Quote:
Originally Posted by Roncallo
I did one for a guy who raced a 4 cyl car I believe it was a Hundi. I just put it on my 11" lathe and cut the back of it down. No balancing just cut and use as is. He had no issues with it.
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A brake disc / drum lathe works just fine too.
If the profile of the fw casting does not change one can get away without a rebalance.
If the casting is off center and lightening changes the off center areas, rebalancing will be needed.