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RE: 100 Valve Guides Correction .....Oh mea Culpa

To: "'Michael Salter'" <msalter@precisionsportscar.com>, "'Greg Lemon'"
Subject: RE: 100 Valve Guides Correction .....Oh mea Culpa
From: "Michael Salter" <msalter@precisionsportscar.com>
Date: Tue, 15 May 2007 06:42:27 -0400
I woke up in the middle of the night and realized that I had given Greg the
incorrect answer to his valve guide question last night. 
Bronze valve guides should NOT be used in a CAST IRON head. 
They are ok in an aluminium head, sort of.
As my kids used to say..."Sorry, mixed up my mind there."
I will say 50 "Hail Marys" and write a blog page explanation.

Michael Salter
100S (1955)
3000 Mk111(1965)
100 (1953)
AHX12 (1953)
Bugeye (1961)
http://www.netbug.net/blogmichael/


-----Original Message-----
From: owner-healeys@autox.team.net [mailto:owner-healeys@autox.team.net] On
Behalf Of Michael Salter
Sent: May 14, 2007 10:51 PM
To: 'Greg Lemon'
Cc: healeys@autox.team.net
Subject: RE: 100 Valve Guides

That was me Greg,
You will be fine using bronze guides in a cast iron head, but avoid using
them in an aluminium head.
One day I'll write a blog post on that...

Michael Salter
100S (1955)
3000 Mk111(1965)
100 (1953)
AHX12 (1953)
Bugeye (1961)
http://www.netbug.net/blogmichael/

-----Original Message-----
From: owner-healeys@autox.team.net [mailto:owner-healeys@autox.team.net] On
Behalf Of Greg Lemon
Sent: May 14, 2007 10:06 PM
Cc: healeys@autox.team.net
Subject: 100 Valve Guides

I need to order valve guides for my head, I NOT spcifically doing a no lead 
conversion, but is there any advantage to the magnese bronze vs the standard

guides (moss part #021-017 v #021-023)?  I also seem to recall someone 
writing about some type of valve and another type of guide not being 
compatible because of expansion/shrinkage issues, valves are standard NOS 
valves, not stellite or whatever the new exotic material is.

I am thinking just get the standard guides with the valves, but am  willing 
to be educated.

Greg Lemon
54 BN1 




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