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Pics of the New Dorman Truck Intake Manifold (3-piece)

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Old 06-01-2009, 01:13 PM
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Originally Posted by BlackGMC
i will try to get some of the pics i took up tonight. On the dyno this last weekend the power kept climbing up to 6600, then it started to fall off...
What are your shift points set at? If it kept climbing to 6600 then started falling off isnt that an improvement over the stock truck intake (correct me if i am wrong plz LOL)
Old 06-01-2009, 01:18 PM
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Originally Posted by Luke03
What are your shift points set at? If it kept climbing to 6600 then started falling off isnt that an improvement over the stock truck intake (correct me if i am wrong plz LOL)
Currently I am shifting at 6800 (1-2) and 6900 (2-3) at the track. This is on a quicky tune, I really need to go and redo a lot (VE, MAF, and spark), hopefully in a few weeks I can can work on it...
Old 06-01-2009, 09:41 PM
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what seals it back together??? is it o-ring?
Old 06-02-2009, 12:30 PM
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Originally Posted by mcfarlnd
what seals it back together??? is it o-ring?
It had a BUNCH of cheap rubberish gaskets... I put it back together with 2 full tubes of silicone (O2 safe kind)....
Old 06-02-2009, 12:36 PM
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Here are some updated pics...

Dorman VS the Stocker

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Inside the dorman (notice how open it is, the base is not attached yet... See a few below for complete inside)

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Inside the stocker (Notice the solid tube opening up at the back)

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Moved my IAT sensor to here, which i might add it reacts SOOOOO much better and faster... Initial heat soak at startup, but a few seconds later it is a few degrees about outside temp...
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Installed pics
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Old 06-02-2009, 01:17 PM
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Any new numbers with it yet? Just curious
Old 06-02-2009, 01:18 PM
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I did redyno it last weekend, the TC was unlocked so the numbers didn't change much, not to mention it was very hot... But the HP pulled all the way to 6600, then fell on its face.
Old 06-02-2009, 05:57 PM
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looks like the runners are a tad taller and maybe wider at some points... love that it doesn't have that damn tube down the middle like the stocker.
Old 06-02-2009, 07:22 PM
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they look about the same to me
Old 06-02-2009, 07:38 PM
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dlt... in the first pic in post #45 the first runner doesn't look bigger on the left manifold than on the right manifold? may be just my mind, but it looks a little fuller and perhaps taller... wouldn't that explain the increase in cyl/airmass? or atleast be a possible explination


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