Warped manifolds
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Senior User
Joined: Feb 2002
Posts: 208
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From: nantucket usa
Warped manifolds
About to replace my manifold studs ( 2nd time!!)
and i was wondering if anybody had experience
with any after market etc. manifolds, or a place to
Get them less than $1000+. Or maybe a thicker
aftermarket gasket???????
and i was wondering if anybody had experience
with any after market etc. manifolds, or a place to
Get them less than $1000+. Or maybe a thicker
aftermarket gasket???????
Guest
Joined: Nov 2004
Posts: 7,988
Likes: 55
From: north west new jersey
while the manifolds are off! take them to a automotive machine shop and have them planned true. they warp in the center. not planning them will cause them to fail again latter.
also replace all the studs with the new harder stainless steel ones.
also replace all the studs with the new harder stainless steel ones.
FTE Leadership Emeritus
Joined: Jul 2002
Posts: 42,561
Likes: 423
From: Long Island USA
Cap is right, get them milled. If they even need it.
If you're using the stock manifold gaskets, I would make ABSOLUTELY SURE the machinist milling the manifolds knows that they are just plain sheet metal, and the finish on the manifold needs to be VERY smooth. A thin ring of red RTV on the manifold itself wouldn't hurt neither.
If you're using the stock manifold gaskets, I would make ABSOLUTELY SURE the machinist milling the manifolds knows that they are just plain sheet metal, and the finish on the manifold needs to be VERY smooth. A thin ring of red RTV on the manifold itself wouldn't hurt neither.
Hotshot
Joined: Mar 2007
Posts: 10,101
Likes: 40
From: Pa
For the price of these I figure there is no way they are OE manifolds.
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Excursion/F-Series Left Exhaust Manifold 6.8L V10 New - eBay (item 350430134887 end time Feb-09-11 05:06:24 PST)
Excursion/F-Series Right Exhaust Manifold 6.8L V10 New - eBay (item 310280218938 end time Jan-14-11 10:18:08 PST)
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