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Re: Testing Lifters?

Subject: Re: Testing Lifters?
Date: Fri, 06 Jan 2006 01:23:22 -0500
Test the lifter using Rockwell Superficial Hardness Scale 15N.  The B
scale is much lower hardness than the C scale and all you will do is
ruin the B indentor ball.  Test the lifter on the diameter as close to
the wear end as you can get.  The factory lifters are made from cast
iron with a chill technique that hardens the business end up about 1/8
inch ir so.  You should have a hardness of HRC 57 minimum equivalent,
converted from HR15N.  Make sure you use the proper diameter
correction factor when figuring the final hardness.
Hope this helps,
Spitfire racer

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