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Re: Testing Lifters?

Subject: Re: Testing Lifters?
Date: Fri, 6 Jan 2006 11:26:54 EST

I dont remember 15N from 45 years ago.

I do remember (now) using the B scale on softer material.


Joe (A)
> 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 
> 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 
> the proper diameter correction factor when figuring the final hardness.

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