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Old 09-29-2009, 05:20 AM   #18
To_Slow
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Location: Shelby Twp MI.
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Quote:
Originally Posted by Cp1 View Post
Price and sales aside, what were your rockwell recordings for hardness before and after nitrating out of curiosity?
Here are the Rockwell readings..

New Mazda plate from the factory no miles on it. RC 38-39

Used plate after lapping /Grinding 2-3 thow deep. RC 21-23

Used plate after lapping/grinding with re-nitride. RC 40

Hope that this helps...
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