07-24-2008, 11:33 PM
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Senior Club Cobra Member
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Join Date: Jul 2003
Location: Santa Fe,
NM
Cobra Make, Engine: Cardiac, 428 FE
Posts: 301
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Not Ranked
I had the same problem as you. My collector bolts to the muffler? with 8 bolts. I tried SS bolts and the lock nuts with a ding in them. I also put on a custom gasket that I carved out of flat stock. When I finally got it apart this past winter, the gaskets were just pieces, and all the bolts were seized so tight I had to cut some of them off.
I got replacements from McMaster-Carr, go to:
www.mcmaster.com
Enter the page number, 3138 into the search box. The high-temp bolts and nuts are on that page. Some are pretty spendy but they work.
I then had Remflex make me a custom gasket out of their cool material. Cost me $75 for the custom gasket but it should work. I also bought their header gaskets since I had to replace mine anyway. Go to www.remflex.com
I also ground the welds flat on the collectors at both ends because the gloppy welds were preventing a good seal with the gaskets.
We'll see how it works when I get my new motor installed shortly.
Paul |
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