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

Are these factory exhaust manifold?

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Old 06-18-2015, 06:06 PM
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crowz
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Default Are these factory exhaust manifold?

I have an exhaust leak at cylinder 1.

I plan on replacing the exhaust manifold gasket. But Im cant tell for sure if these are factory manifolds or not so I have no clue what to buy gasket wise.

Heres a pic :
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Old 06-18-2015, 06:08 PM
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crowz
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Storms rolling in so I covered the car up right now so I don't have a better picture.
Old 06-18-2015, 06:15 PM
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ovrebo1
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They look like wrapped headers. Either way an exhaust manifold gasket from the parts store for your car should fit.

Ditch the cheesey valve covers
Old 06-18-2015, 06:16 PM
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ovrebo1
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and get an upper radiator hose while you are there unless that is a cover you can cut off.
Old 06-18-2015, 06:23 PM
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crowz
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The hose Im going to replace with real braided hoses not that mr gasket crap that's on it right now

Havent decided on what valve covers I want yet. All of that was on it when I bought it.

Thus Ive got no way of knowing if it has aftermarket headers or not. Doesn't look like what I had on my 86 coupe but it may just be stock with the heat shields removed and wrapped.
Old 06-18-2015, 07:42 PM
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pologreen1
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IMO they are stock manifolds with the heat shields removed. Just buy headers. Don't wrap them.

OBX stainless are like 400 you can't beat that considering other places sell the header for 3x the price.
Old 06-18-2015, 08:27 PM
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crowz
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I don't want buy anything new. I just want to fix the exhaust leak and was trying to figure out what to do for gaskets.
Old 06-18-2015, 09:05 PM
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fast.asleep
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I believe so but I can't be sure with that pic. If they are original, someone removed the factory heat shield and wrapped them with header tape. This is what they looked like from factory. The factory rear alternator brace seems intact and most headers do not have provisions for those.


Last edited by fast.asleep; 06-18-2015 at 09:08 PM.
Old 06-18-2015, 09:09 PM
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I'll try to take some pics tomorrow close up.
Old 06-18-2015, 10:19 PM
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ghoastrider1
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[QUOTE=pologreen1;1589870365]IMO they are stock manifolds with the heat shields removed. Just buy headers. Don't wrap them.

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