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Old 04-07-2003, 05:43 PM
Jon Miller Jon Miller is offline
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Join Date: Jan 2000
Location: Smartsville, ca
Cobra Make, Engine: Former Everett-Morrison,428SCJ
Posts: 356
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Default Header Flanges 2 bolts or 4

I started cutting out header flanges the other day and I've come across a bit of a delema. I've got Edelbrock heads with four bolt holes for each exhaust port. All of the headers that I have seen just use the two top and bottom holes which is the same layout that my gaskets have.

Here are the problems:

1. Logic would say that 4 bolts would seal better than 2.

2. I don't know if I'll be able to get all 4 bolts installed once I build the headers, but even 3 is better than 2 if not as good as 4.

3. Are there gaskets available for the 4 bolt pattern?

4. I find it hard to leave a threaded hole without putting a bolt in it.

Maybe number 4 is a personal problem and I should seek counseling.

Thanks for any help!
Jon
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