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Broeheem
Gen III
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6/05/2001
14:02:43

Subject: Rubber "flap" behind grille
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In many of the posts concerning maximum air flow, and upgrading the intake, I've noticed that several people have said that they have removed this potential air-blocker (Gen3's) - to achieve more cold air, but I'm wondering...

Isn't it there for a reason? Possibly to stop rain from entering the engine compartment unneccessarily?

Has anyone had problems after doing this? It seems that even with the "heat shield" included with some of the after-market intakes, that a direct supply of water to the air filter would be detrimental to the performance (and the well being) of the engine.

I'm all for better air flow, but this just doesn't seem like it would work. Is it just me?







Patriot Blue 2001 SLT Plus Club Cab
4.7L./multi-spd auto/3.55 LSD

Glen
Gen III
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6/05/2001
15:14:53

RE: Rubber
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I took mine off one day. Seemed like a good idea, till it rained... the filter on my z-tube had so much water on, and around it. I didnt like that one bit, so in the rain, on the side of the freeway, i put it back, on... I dont think i'll be taking that off again.... not till i move to Death Valley or something.



'01, CC, SLT, 4.7, Auto, 3.55 LS
Gibson single catback. Z-tube.

BigG
Gen III
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6/05/2001
16:10:36

RE: Rubber
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Looks like I'm putting mine back on. Thank God it didn't rain !

: )


2001, 3.9, 2wd, Auto, Club Cab, SLT Plus, Sport Suspension
Autolite 3923's, Borg Warner Brass Cap & Rotor, Flowmaster Delta Flow 50 Cut In
Long Island, New York

Doug
Dodge Dakota


6/06/2001
14:05:07

RE: Rubber
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I installed perforated aluminum sheeting behind my grill as a insert,not only keeps out the bugs but so far very little rain enters through it and I have a 4 inch diameter air inlet hose that is installed through the rubber dam that takes in air for my Intense Performance Stage III.Before this intake was installed I had 3 inch ducting attached to the stock air intake and never had any problem with water entering the filter, wouldn't go through any deep water though.Also no cooling problems.For what it is worth.



FastRT6Dakota
Dodge Dakota
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6/06/2001
17:13:27

RE: Rubber
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Well, my new Dak has one (2001 4.7), but my old one (2000 3.9) didn't. I had a homebrew intake on my old one, and didn't notice too many problems with water or snow. I live in Michigan, so I see plenty of both. If at all possible, just try to route the intake tubing so that the back of the filter points up and back toward the hood. that way even if some water gets through to the filter, it (probably) won't get sucked in.
Thats just my $22,050 worth. (sticker price) did I overpay?



Glen
Gen III
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6/06/2001
17:26:25

RE: Rubber
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Yeah, now that i think about it, it wasnt THAT much water, but im kinda paranoid about my truck. There where drops of water all the way back to the fire wall. I think i might take it off again and see how it goes. It was just a freek rainstorm, and i was behind an 18-wheeler getting alot of spray.

'01, CC, SLT, 4.7, Auto, 3.55 LS
Gibson single catback. Z-tube.

MACE
Dodge Dakota
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6/06/2001
17:34:57

RE: Rubber
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FWIW, the top truck mechanic at my dealer (he has a v10 Ram with quite a few mods) says that is exactly what the rubber piece is for, stopping water coming into the engine compartment, whether it be from the rain, home or commercial car washes, going through big puddles, etc.

Thoughts on keeping that piece but removing the snorkle from the air box...probably more harm than good since you'd be sucking up hot engine heat, right?



Dan
Dodge Dakota
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6/06/2001
22:14:26

RE: Rubber
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The rubber is actually there for snow conditions (i.e. flying snow into the engine compartment and into the air filter). I am sure it helps for rain as well.

Dan




Wayne
Dodge Dakota
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6/06/2001
22:44:23

RE: Rubber
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I pulled mine off when I bought the truck in early '99. Soon after, I put the GEN II on. A few months ago I sealed the shield off from the rest of the engine compartment so that I have ram air. God knows that we have enough rain (no snow though) in Louisiana to test this set up and I have had no problems.
Warning: I would not go in deep water with this setup though as the water will be funneled right into the K&N.



Blizzard
Gen III
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6/06/2001
22:54:01

RE: Rubber
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All we have to do is figure out how to filter that hydrogen out of the H20 and we'll be alright....hehehe.

'01 QC 4x4
5.9L, 3.92 LSD, loaded
www.geocities.com/blizzzzard69

Wayne
Dodge Dakota
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6/06/2001
23:26:38

RE: Rubber
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Well Blizzard, I think you are on to something. Hydrogen is flammable and oxygen is an oxidizer. Just burn H2O as it is and save gas.



Patrick ODay
Gen III
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6/08/2001
03:51:48

RE: Rubber
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You need a different ratio. H3O Burns like the crazy.



Wayne
Dodge Dakota
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6/08/2001
04:04:30

RE: Rubber
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Well, I'm not sure what the BTU content of Hydrogen is, but I believe it to be much less than gasoline. To get the equivalent mixture to gasoline's 14.7 to 1 you would probably have to be in the 11 to 1 category (just guessing). That would mean that in order to use H2O, one would have to inject nitrous into the water to get the desired ratio. By my veerryy inacurate calculations, we would have to get to H2O22......or did I do that backwards? Hummmm......



FastRT6dakota
Dodge Dakota
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6/08/2001
09:30:56

RE: Rubber
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On that subject, I think its either toyota or Isuzu thats working on a ZEV (zero emissions vehicle) that burns on hydrogen gas. As you know, hydrogen is highly combustible (remember the big blimp?) Its just taking a while now because hey need to find a way to get a whole lotta pure hydrogen gas and a safe way to store it in a vehicle. Just think what would happen if a car like that got in a collision and the gas tank got damaged. BOOM!!!
again, thats my input. Now where did I put my coffee?



jeff
Dodge Dakota
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6/08/2001
10:15:22

RE: Rubber
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What you are talking about is fule cell vehicles.

Check this out
http://popularmechanics.com/popmech/auto3/0012AUTKWFAP.html

I know its not a Dakota, but perhaps something for the wife when it goes main stream.




kraw
Dodge Dakota


6/08/2001
11:42:25

RE: Rubber
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I didn't take my flapy thing off, I just cut a slit in it and ran a piece of flexible dryer duct thru it to my k&n.. I have pics of it on my site


www.krawdaddy.net



Swampdak
Gen III
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6/08/2001
22:02:44

RE: Rubber
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I think the rubber is to steer air into the fender well that is where the intake is taking air from.(4.7)It seems like they do not want air from eng compartment to get into intake???

2000 CC 4.7 AUTO 4X4 3.55 TRAC-LOK SLT

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