Factory Correct Resto Corvette Restoration Tips, Bodywork, Numbers Matching, Period-Correct Modifications or Original Condition
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Old Jun 16, 2007 | 11:55 AM
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bought a exhaust manifold bolt set for my 68. It's a 427/390 4sp with pretty much just PS as a power option...

the bolt that came off thats studded looks to be correct however the one in the kit from paragon is different just wondering if anyone know which style is correct..... here is a pic for comparison...obviously the rusted up one is what came off the car. thanks!!


Last edited by RPOL36; Jun 16, 2007 at 11:58 AM.
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Old Jun 22, 2007 | 07:29 AM
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ttt, would really like to get my exhaust manifolds on. Won't until I know which one is right though.

surely someone knows??
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Old Jun 22, 2007 | 08:00 AM
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Here is another thread with the same question.

http://forums.corvetteforum.com/show....php?t=1702902

Maybe y'all can get to together and see which one is correct.

GM probably used both studs through out the year.
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Old Jun 22, 2007 | 11:46 AM
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thanks but thats my old post it just got so far down i thought they deleted it or i would have just ttt with it.
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Old Jul 11, 2007 | 09:26 AM
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Ask that question and show that picture over on the ncrs.org site.
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Old Aug 1, 2007 | 09:11 PM
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Originally Posted by RPOL36
bought a exhaust manifold bolt set for my 68. It's a 427/390 4sp with pretty much just PS as a power option...

the bolt that came off thats studded looks to be correct however the one in the kit from paragon is different just wondering if anyone know which style is correct..... here is a pic for comparison...obviously the rusted up one is what came off the car. thanks!!

Look at the nut on the old rusty one. Note the flanged end. GM.
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Old Aug 4, 2007 | 11:46 AM
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true so you also think the old one is original and what it should be?
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Old Aug 8, 2007 | 08:39 AM
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Surely someone must know 68's well enough to know this. No joke I have yet to put the exhaust manifolds on I hate to ruin a gasket set by putting them on using the wrong bolt and have to take them back off...

engine is out of the car so I want to use the right one before the engine goes back in.
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Old Aug 8, 2007 | 08:41 AM
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if anyone has an original 68 big block with PS I would appreciate it if you would take a quick look for me!
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Old Aug 8, 2007 | 09:37 AM
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Have you tried asking on the NCRS site? You'll probably get the answer a lot quicker there.

www.ncrs.org
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Old Aug 20, 2007 | 10:46 PM
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I answered in your other thread. The top rusty one.
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