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High Performance Dorman intake manifold

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Old 05-12-2009, 06:32 PM
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Default High Performance Dorman intake manifold

Ok, so maybe it's not a high performance intake manifold but I saw this thing while dinging around on Ebay. Looks like Dorman makes an OEM replacement intake manifold for our trucks in the event we were to break ours. It looks to have a slightly larger plenum volume, longer runners and possibly a 2 piece design (easy to port). This could be a cheap performance upgrade if someone was up to it.

http://cgi.ebay.com/ebaymotors/2003-...Q5fAccessories


Any thoughts or ideas???

Old 05-12-2009, 06:34 PM
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I believe that is the 5.3 trailblazer intake...
Old 05-12-2009, 06:36 PM
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Old 05-12-2009, 06:42 PM
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Originally Posted by BlackGMC
I believe that is the 5.3 trailblazer intake...
thats what it looks like to me too
Old 05-12-2009, 06:51 PM
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I didn't realize there was a trailblazer specific intake manifold. Has anyone ever done testing on it?
Old 05-12-2009, 07:25 PM
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looks like longer runners to me, so wouldnt that translate to a little more lowend? might be good for a tow rig...but i would like to see some kind of testing before dropping 317$
Old 05-12-2009, 07:39 PM
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Originally Posted by hirdlej
I didn't realize there was a trailblazer specific intake manifold. Has anyone ever done testing on it?
i thought the trailblazer intake is also the ssr intake.
Old 05-13-2009, 12:19 PM
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This is the 78mm Trailblazer intake, not the 90mm

Looks like a square port intake too, not cathedral.

But it looks like it has some potential as a 2 piece design.
Old 05-13-2009, 12:29 PM
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Originally Posted by silver-mod-o
This is the 78mm Trailblazer intake, not the 90mm

Looks like a square port intake too, not cathedral.

But it looks like it has some potential as a 2 piece design.
Thats definately cathedral....
Old 05-13-2009, 11:00 PM
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I just glanced at the gaskets... You're right.

I don't think it would gain much or any over any other truck intake... Personally


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