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MG TD TF 1500 - Manifold Coating?

In beginning to clean the exhaust manifold in the bead blaster I have uncovered the remnant of a silvery, possibly aluminum coating. It seems a bit thick for paint. The coating is also on the brackets that hold the manifold to the engine. Would this have been done at the factory? Thanks, Bill

Bill Reid

Another view. There even appears to some on the mating surfaces.

Bill Reid

Yes they were " Aluminized", Most today ceramic coat them to a close to aluminum silver. AlsoI highly recommend ceramic or "Thermal" coating to the new piston crowns, to prevent piston damage due to being slightly lean or a poor quality tankful of fuel,as well as dry film coating of piston skirts to help prevent scuffing.
Abingdon Performance
Len Fanelli

Bill -

I wanted to keep the factory aluminized color and surface of the exhaust manifold on my TF-1500. So I followed Chris Couper's advice and sent the exhaust manifold and brackets to Brian Bendix at

American Stripping Co, Inc.
602 Warehouse Way
Sacramento, CA 95826
(916) 387-9933
http://www.americanstrippingsacramento.com/metalSpray.html

American Stripping blasted and aluminized my exhaust manifold for a reasonable price. 7-day turnaround time. I wasn't confident with local shops that claimed to be able to aluminize.

I'm happy with the results. The manifold was aluminized in mid-2014. Photo below was taken today. I spilled a few drops of oil on the manifold soon after I installed it. They burned off and the surface retuned to white. (YMMV)

Wanna learn more ...

> Flame spray
http://www.youtube.com/watch?v=e_QrrVWet4M

> Arc Spray
http://www.youtube.com/watch?v=js2_qQI1w0w

> Large scale Flame spray
http://www.youtube.com/watch?v=mvlEi3LvxD4

> Really large scale spray
http://www.youtube.com/watch?v=i4Pxo1CDjrU

Lonnie
TF7211





LM Cook

My manifold before American Stripping aluminized it.

Lonnie
TF7211

LM Cook

I need to see if I can get a commission. :-)
Christopher Couper

Bill,

May be place a straight edge across the mating exhaust manifold surfaces to check that they are in fact in line and flat. The T type manifolds are often not true and need checking before fitting up to the cyl head. This can give rise to the exhaust manifold gasket 'blowing'.

Lacquer Thinners and a tooth brush are useful in cleaning the applied 'hot aluminised' surface of the manifold if grease or dirt come into contact. Again,it wll dry up white.

Rob Grantham
TF3719("Aramis"),TF9177("Athos").
Rob Grantham

Thanks!
Bill Reid

This thread was discussed between 11/07/2016 and 12/07/2016

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