Re: Testing Lifters?

[N197TR4@cs.com]

Chuck!

I dont remember 15N from 45 years ago.

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

Thanks, 

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 
>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.


===  unsubscribe/change address requests to majordomo@autox.team.net