original header restoration - Pontiac GTO Forum
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post #1 of 16 (permalink) Old 09-24-2013, 09:01 PM Thread Starter
 
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original header restoration

Hey guys! so previous owner took off the original headers and put on some lousy none original aftermarket headers that have been welded multiple times. When I bought the car they gave me the original ones. however they are in bad shape . The bolts are frozen in their and their all surface rusted. Does anyone know someone or somewhere I can send them to, to get restored and useable again? Thank you
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post #2 of 16 (permalink) Old 09-25-2013, 10:58 AM
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GTO's did not come with headers. Just exhaust manifolds or RAM AIR manifolds. Headers are aftermarket.
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post #3 of 16 (permalink) Old 09-25-2013, 11:11 AM
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GTO's did not come with headers. Just exhaust manifolds or RAM AIR manifolds. Headers are aftermarket.


The casting numbers for GTO exhaust manifolds in 67 are 9779032 (LEFT) and 9779328 (RIGHT).

The casting number for Ram Air and 360hp exhaust manifolds in 67 are 9777646 (LEFT) and 9777641 (RIGHT).

Randy


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post #4 of 16 (permalink) Old 09-25-2013, 11:49 AM Thread Starter
 
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sorry guys that's what I meant exhaust manifolds. I was thinking of headers because that's whats on their now but I have the originals im looking to get redone. There in pretty bad shape.
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post #5 of 16 (permalink) Old 09-25-2013, 12:11 PM
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I bead blasted mine and painted them with stove paint. They still look new 4 years and 5000 miles later. But they weren't pitted...just surface rust.
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post #6 of 16 (permalink) Old 09-25-2013, 04:50 PM
 
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I agree with GeeTee about the bead blasting, but I have found a product that I believe works even better than stove paint. It's called Calyx Manifold Dressing. That stuff works fantastic! Your manifolds will look like new and last indefinitely. The additional benefit is that it works on all your cast iron pieces.

When the only tool in your toolbox is a hammer, you tend to see every problem as a nail.
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post #7 of 16 (permalink) Old 09-25-2013, 07:59 PM Thread Starter
 
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Thanks guys info is helpful. any ideas on some stuck bolts or lugs that are on them?
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post #8 of 16 (permalink) Old 09-25-2013, 08:47 PM
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Thanks guys info is helpful. any ideas on some stuck bolts or lugs that are on them?
Heat, you need a torch, heat them up 1 @ a time till the ears are red hot (trying not to heat the stud), then use a stud removal tool to get them out. Use a tap to clean up the threads before installing new studs.
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post #9 of 16 (permalink) Old 09-26-2013, 01:26 PM Thread Starter
 
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thanks Ruke! im gunna try that than hopefully be able clean them up
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post #10 of 16 (permalink) Old 09-27-2013, 11:30 PM
 
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Run them through an electrolysis process. I have instructions in a restoration book, or simply Google the process. I have never tried it, but looks like a pretty slick process on old rusty iron. All you need is a battery charger and a tub of water.
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  Pontiac GTO Forum > The 1964-1974 Pontiac Tempest, Lemans & GTO > 1964-1974 Tempest, LeMans & GTO Projects, Barn Finds & Restoration Discussions

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