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Dakota Performance
FromMessage
Blizzard
GenIII
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4/07/2001
07:03:20

Subject: Cowl induction vs. shaker-style
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I've never owned a cowl induction hood but I'm wondering if there are any performance gains in using one? I know they provide extra under-hood clearance for superchargers, etc .
Seems I read somewhere that it allows the hot air from the engine compartment to escape, thus cooling the compartment and allowing cooler air to the engine. Is that right? Or did I have a dream about it? hehehe
I really like the look of the Proglass shaker hood, but didn't want to tear off my new Intense Performance Stage II air intake. It sounds tuff as hell! I'd make the swap to a shaker if it performs and sounds as good as what I have now.
How do you guys think the shaker hood air intake performs in relation to my current setup?

Thanks for the help

2001 Black Quad Cab Sport 4x4, 5.9L, 3.92 gears, loaded for bear

Bernd
GenIII
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4/08/2001
00:19:58

RE: Cowl induction vs. shaker-style
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15 degree temp drop under my hood with the Cowl hood. (That's worth it already.)

They don't really do anything for S/C's since they all fit under the stock hood anyway. What they do help is delivering the cold air from the cowling after 45mph.

Bernd D. Ratsch
1997 Dodge Dakota SLT
Supercharged w/Nitrous

95DakotaV8
*GenII*
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4/08/2001
06:20:28

RE: Cowl induction vs. shaker-style
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Being a GenII owner, I am limited to Cowl Induction hoods (i.e. no shaker which I think is way cool).

What is the best height for a cowl induction hood? I don't think a 4" rise would look good but a 1" wouldn't either?

Kevin Rants
95 CC SLT 4x4, 5.2L, 5spd
Family Man!

Bernd
GenIII
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4/08/2001
10:19:05

RE: Cowl induction vs. shaker-style
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About 2" would be best for looks. 4" is a bit tall.

Bernd D. Ratsch
1997 Dodge Dakota SLT
Supercharged w/Nitrous

CyberWolf
GenIII
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4/09/2001
11:56:32

RE: Cowl induction vs. shaker-style
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Cowl hoods don't actually allow the hot air to escape. They actually force cold air in off of the windshield. I agree with Bernd, a 2" would be nice. Also, there are laws in some areas that restrict the height on a cowl hood for street use. I think the restriction in Texas is like 5.5" inches or something like that.

'01 4.7 CC, 5 speed, Sport , 3.92 limited slip, Intense

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