<VV> Camshafts

[J R Read_HML]

Regardless of which is correct (my opinion not being expressed), why does it 
seem that the general rule of thumb is to avoid using new lifters on a used 
cam whenever possible?  This may or may not have been the cause of the start 
of this thread.  At least, it was the perceived cause as I recall.

Later, JR


----- Original Message ----- 
From: <NicolCS at aol.com>
To: <virtualvairs at corvair.org>; <chartzel at comcast.net>
Sent: Monday, May 29, 2006 3:15 PM
Subject: <VV> Camshafts


> Clark sez:
> <snip>Craig Nicol says cams are soft when new and harden in use.  WRONG!
> I have the Corvair cam drawings and they are flame hardened or induction
> hardened, ground polished and coated with special compounds to reduce
> friction.
> So in effect they are made hard and slippery and are worn soft in use!
> Clark Hartzel, CPF Curator <unsnip>
> And I (Craig) reply - if this is true, why are failures common on new cams
> but not cams that have gone 25K?  Why won't GM warantee a cam unless 
> there's a
> can of EOS (super protective moly oil suppliment) on the receipt? Why will 
> a
> cam that survives the first 1000 miles go 200,000 miles?  Yes, GM takes 
> great
> pains to harden the surface, but it gets even harder once it's broken in.
> Craig
> _______________________________________________
> This message was sent by the VirtualVairs mailing list, all copyrights are 
> the property
> of the writer, please attribute properly. For help, 
> mailto:vv-help at corvair.org
> This list sponsored by the Corvair Society of America, 
> http://www.corvair.org/
> Post messages to: VirtualVairs at corvair.org
> Change your options: 
> http://www.vv.corvair.org/mailman/options/virtualvairs
> _______________________________________________
>
>
> -- 
> No virus found in this incoming message.
> Checked by AVG Free Edition.
> Version: 7.1.394 / Virus Database: 268.7.4/351 - Release Date: 5/29/2006
>
>