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Truck manifolds *Pic*

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Old Dec 17, 2014 | 09:54 AM
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Default Truck manifolds *Pic*

Hey guys,

I've been scratching my head for a bit trying to figure out which way I want to go with Turbo headers. I trip over these stock manifolds every day in the garage and finally got to looking at them (as I was about to throw them away.)

After googling them for a bit it appears these may be the ones that are being used as the manifolds for the Turbo swaps. Can anyone confirm?


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Old Dec 17, 2014 | 10:05 AM
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Originally Posted by Streetracer09
Hey guys, I've been scratching my head for a bit trying to figure out which way I want to go with Turbo headers. I trip over these stock manifolds every day in the garage and finally got to looking at them (as I was about to throw them away.) After googling them for a bit it appears these may be the ones that are being used as the manifolds for the Turbo swaps. Can anyone confirm?
Sure are
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Old Dec 17, 2014 | 10:05 AM
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Also, does anyone have a link to someone that offers the Manifold flanges for building a hot side off these manifolds? I think I found one place while searching but I thought it would be a common part.
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Old Dec 17, 2014 | 10:06 AM
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Originally Posted by oscs
Sure are


Thanks!
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Old Dec 17, 2014 | 10:22 AM
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Originally Posted by Streetracer09
Also, does anyone have a link to someone that offers the Manifold flanges for building a hot side off these manifolds? I think I found one place while searching but I thought it would be a common part.
http://www.mandrel-bends.com/catalog/shopping-cart/
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Old Dec 17, 2014 | 11:05 AM
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Man, that site will simplify some things. Thanks again!
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Old Dec 17, 2014 | 11:18 AM
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Yep, those work great. I heat wrapped a set for my buddy's turbo build.
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Old Dec 17, 2014 | 12:45 PM
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Originally Posted by Streetracer09
Man, that site will simplify some things. Thanks again!
No worries. Those guys are one of the leading suppliers in the market. They have great customer service too.
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Old Dec 19, 2014 | 03:54 AM
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Cut those triangles off and weld on vbands. So much easier to work with IMO.
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Old Jan 3, 2015 | 04:52 PM
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So I finally got these things all media blasted and painted up. I mocked them up to see how they went and something doesn't seem right.








The passenger side seems to be just want I want. The drivers side on the other hand will never work with this crazy height. I can't flip it to run out the back because I'll have to run the crossover all the way around the car.



Is it normal for people to use 2 Passenger side Manifolds? I know it doesn't really matter and everyone's situation is different. I think it will make the Drivers side a better fitment for when I fab up the hot side. Here's a picture of the Passenger side flipped facing down on the drivers side.

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Old Jan 3, 2015 | 05:11 PM
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You can use whatever you feel.
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Old Jan 3, 2015 | 05:24 PM
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Here is a pic of mine with a huron speed v1 kit. Hope it gives you some ideas.


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Old Jan 3, 2015 | 05:40 PM
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Are those both Passenger sides?
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Old Jan 3, 2015 | 06:10 PM
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no............
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Old Jan 3, 2015 | 06:27 PM
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Originally Posted by 4bangermustang
no............
Is it a stock drivers side flipped? Mine looks way longer..........
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Old Jan 3, 2015 | 06:28 PM
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Originally Posted by Streetracer09
Is it a stock drivers side flipped? Mine looks way longer..........
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Old Jan 3, 2015 | 06:52 PM
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Yea, yours are off a 2003-05 SSR LH6/LS2 or TBSS from what i can find.

Deff looks longer.

Mine are

GM 12571680 (driver)
GM 12578342 (pass)


Also have a set of

GM 12616287 (driver)
GM 12616288 (pass)


both appear identical.
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Old Jan 4, 2015 | 11:17 PM
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Originally Posted by 4bangermustang
Yea, yours are off a 2003-05 SSR LH6/LS2 or TBSS from what i can find.

Deff looks longer.

Mine are

GM 12571680 (driver)
GM 12578342 (pass)


Also have a set of

GM 12616287 (driver)
GM 12616288 (pass)


both appear identical.
He beat me to it.


There are many variants of manifold (some stamped steel even) that came on the trucks. You just have one from a different truck than the standard 01-up cast 5.3/4.8 junk. It looks like it will flow great though! Just log those off, weld v-bands on and go to work.
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Old Jan 5, 2015 | 06:35 AM
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FYI there are no "stamped steel" truck manifolds. That is a myth,They are all cast iron. I did chemical tests on a few sets a while ago and they where all the same. For some odd reason they seem to weld great regardless of what the test results showed. I think the higher levels of silica contribute to that.
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Old Jan 5, 2015 | 07:59 AM
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Streetracer, I have these for sale if you're interested. I'm in northeast Md and could meet you somewhere if you're interested.

https://ls1tech.com/forums/eastern-c...ds-vbands.html
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