C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Header Bolts

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Old Jun 10, 2011 | 08:53 AM
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Default Header Bolts

When I bought my 94 it had already had short tube headers installed by the previous owner.

Last night I removed the headers to gain access to the head bolts. I noticed that many of the bolts were barely more than finger tight. One was even missing. Is this a typical issue with aftermarket headers? Or just lack of proper torquing by the installer? Despite the looseness of the bolts I did not have any leaks at the header flange.

The bolts are a bit on the rusty side and I don't want to resue them (the long larger diameter stud ones are OK). Is there a preferred set? Should any kind of loctite be used? I'd like to install bolts with allen key heads since I believe that will be easier then a socket due to the very limited space and primary tube interference.

Recommendations?
This is a 1994 LT1 w/ unknown brand short tube headers.
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Old Jun 10, 2011 | 09:42 AM
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I had a problem with the headers staying tight on my 1974 Pantera. I finally used Stage 8 locking header bolts and have had no more problems.
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Old Jun 10, 2011 | 09:46 AM
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http://stage8.com/gm.html The tear drop shaped retainer can be cut, as mine are, to fit around the header. They are 12 point, allen key center.
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