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Holly Cow
Dodge Dakota
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7/13/2005
17:55:46
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 Subject: Plastic Intake
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Ok, is it really a plastic intake man. on my Dakota? I have a 2001 4.7 Dakota. Is this common now-a-days? Are you guys swapping these out for aftermarket?
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Rob C
Dodge Dakota
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7/13/2005
18:37:07
|  RE: Plastic Intake
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It's a composite intake and there are no aftermarket intakes for these engines that I know of. I did swap in a 2004 intake in place of my 2000. It requires replacing the PCV system from the oil filler housing to the back of the intake, you need a new style IAT sensor and a T-fitting for the vacuum lines because there are only 2 fitting on the 2004 and 3 on my 2000. Only noticeable improvement was smoother operation at higher rpm. No loss of bottom end torque.
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TECH
Dodge Dakota
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7/16/2005
00:07:25
| RE: Plastic Intake
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Many manifolds are made of composite to reduce the heat of the incoming air.
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daffydak
GenIII
7/16/2005
00:33:31
| RE: Plastic Intake
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^^
Exactly what TECH said... Same type of manifold on my dad's 2001 silverado and my 00 dak.. (6.0L), so dodge isn't the only automaker doing it.. I think it's actually some kind of composite (graphite??) it dosen't look like plain plastic.. I can shine my intake up with ArmorAll though :-)
Dan
MOPAR=More Power!!
00 CC Sport Plus 4.7L 4X4 Auto, 3:55 LSD
Flowmaster orig. 40 series (2 chamber) muffler, adjusted tps to .76V, ported TB, home brew intake setup w/K&N filter, Superchips 3715 Tuner, 180* T-stat... more mods to come!!!
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JD
Dodge Dakota
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7/16/2005
14:18:19
| RE: Plastic Intake
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I heard ford also uses them
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daddio
Dodge Dakota
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7/16/2005
14:21:21
| RE: Plastic Intake
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i am thinking most manufacturers are using them by now on V6/v8 engines. my wifes '99 Gran Prix had one so they've been around for a while.
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GraphiteDak
GenIII
7/16/2005
14:49:43
| RE: Plastic Intake
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The first vehicle I saw with a plastic/composite intake was when the Neon's first came out. 1995-ish?
But after you realize HOW MUCH HEAT it DOESN'T conduct, you will apreciate the plastic over aluminum any day.
I'd like to make my own DUAL RUNNER intake for my Dak. Maybe even with a dual barel TB of some sort. But I'd like to figure a way to make it out of plastic somehow.
On KRC, their home brew one looks to be aluminum all welded together. That's on their 450HP 4.7
At least on these engines there is NO hot oil heating it up in the valley pan like a 5.2/5.9 nor the WATER going through it. That COULD be some of the 4.7's secret right there besides the better flowing heads.
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