03-04-2013, 07:27 AM
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CC Member
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Join Date: Jun 2006
Location: Newcastle, Warners Bay,
NSW
Cobra Make, Engine: RMC . 393 Dart alloy block Stroked 351 alloy heads ..all the goodies plus a pre oiler. al
Posts: 1,495
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Not Ranked
The coating back in the sixties was Aluminized metal spray coating..It was a white rough finish (like 100 grit sandpaper) It was supposed to slow down the rusting. It didn't stop any heat and it got dirty pretty easy. I had it done on my VW exhaust...it looked good till some simple dip poured beer on the hot pipe...it then had a permanent burnt brown stain. 12 Yrs ago I had headers done inside and out on a 351 mustang by HPC and the under hood heat was reduced by 40 deg c. They still look good today.
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