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Re: Lifters

To: gasket.works@gte.net, fot@autox.team.net
Subject: Re: Lifters
From: N197TR4@cs.com
Date: Thu, 7 Apr 2005 11:24:50 EDT
Delivered-to: mharc@demo.fatchancegarage.com
Reply-to: N197TR4@cs.com
Sender: owner-fot@autox.team.net
Gear Hardness, as many will know, is 58-62 Rockwell "C". 
It doesnt get any better than that, I suspect.

Sounds like a great project. Too much suspect stuff is coming from India and 
Taiwan.

Joe (A)


> There are a few of us (R. Young, C. Gee and myself) on this list that have
> been working on this lifter project for some time. Our resident mettalurgist
> has specified the material needed and surprisingly the machine shop
> independantly specified the same as well.  I can say that our lifter project
> is nearly completed.  They are being manufactured in the USA as we speak.
> These lifters are being made from billet tool steel and will have a Rockwell
> of C60 and include a measured face radius. Other lifters are not RELIABLY
> this hard -typically about c55-57 or so.  Arguably, this level of less than
> reliable hardness has been an issue for our cars.

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