any long term thoughts on Dorman exhaust manifolds?
think i've talked myself into replacing the passenger manifold, and I can get the Dorman part for 65 bucks.. but i don't want to be doing it again in a year. how are these manifolds holding up for you guys? also read a review that the gaskets that come with them aren't great and to run Felpro. i plan on replacing all the studs with new studs as well.
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as common as this is i figured someone would have used one..
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Smh
You woulda thought someone, anyone else would have tried this already but nope. I'm wondering if I should throw a set of dormans on mine now lol.
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Don't do it
if I was selling or flipping a truck maybe. Long term no way |
probably doesnt help here but I put a Dorman on my 300 a couple years ago. real nice piece
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I use Dorman manifolds quite often and have had no problems
They all warp and crack The Dorman ones seem to hold up as well as the OEM ones do |
Originally Posted by manicmechanic007
(Post 20353476)
I use Dorman manifolds quite often and have had no problems
They all warp and crack The Dorman ones seem to hold up as well as the OEM ones do |
Yes you will need a gasket on either manifold you choose
The factory no gasket thing is for new heads and a new manifold Then they can warp together When you replace a manifold later on a used head you will need a gasket |
I put Dormans on my '04 4.6 when I yanked out the engine during the first two months of the covid lockdowns... The truck developed cold-start exhaust leaks elsewhere, but it's all still nice and sealed where the manifolds mate to the heads. As much as I hate a lot of the Dorman stuff, I gotta say that these pieces weren't bad at all. At least so far.
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