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Home » Public Forums » GMCnet » [GMCnet] Intake Manifold Crossover Fill Ceramic Material
[GMCnet] Intake Manifold Crossover Fill Ceramic Material [message #146090] Mon, 10 October 2011 17:50 Go to previous message
USAussie is currently offline  USAussie   United States
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma:
Senior Member
G'day,

Below you will find the email I sent to Cotronics regarding filling the crossover with one of their products.

They ain't takin' no chances! ;-)

Regards,
Rob M.

PS - I have not heard from HardBlok yet.
 
________________________________________
From: sales [mailto:sales@cotronics.com]
Sent: Tuesday, 11 October 2011 1:17 AM
To: Rob Mueller
Cc: Errol Tunley
Subject: RE: Ceramic materials

Dear Rob,

Thank you for your patience.

We have not tested our materials in engines.

We can only recommend testing to determine suitability for your needs.

You can call our Australian distributor for further assistance:

Measure Tech
Errol Tunley
03-9338-8467
sales@measuretech.com.au

Best regards,

Kelvin Ortega
Cotronics Corp.
Ph:   718-788-5533
Fax: 718-788-5538

________________________________________
From: Rob Mueller [mailto:robmueller@iinet.net.au]
Sent: Thursday, October 06, 2011 11:53 PM
To: sales
Subject: Ceramic materials

Hi,
 
I have a 1975 GMC Motorhome that is powered by an Oldsmobile 455 Toronado engine. It has a cast iron intake manifold that has a
large crossover chamber under the carburetor that channels exhaust gases to warm the carb.
 
This heated crossover chamber is causing vapor lock problems with Ethanol fuels. Most owners fill the crossover with aluminum or
zinc; however, that entails finding a foundry to fill it.
 
I would like to try one of your products to fill the crossover chamber.
 
In conjunction with your ceramic materials I will install stainless steel block off plates between the heads and the intake manifold
to keep the ceramic material from being exposed directly to exhaust gases.
 
My main concern is that differences in the rate and amount of expansion between your ceramic material and the cast iron manifold
will cause problems.
 
Do you think any of your products will work in this application?
 
Please advise.
 
Thank you,
Rob Mueller 

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Regards, Rob M. (USAussie) The Pedantic Mechanic Sydney, Australia '75 Avion - AUS - The Blue Streak TZE365V100428 '75 Avion - USA - Double Trouble TZE365V100426
 
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