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rmoody
Dodge Dakota
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10/15/2002
10:04:07
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 Subject: RE: cold air intake
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I would like some info on the 4.7 liter setup... Email me @ getconnected@prexar.com
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Gen II Geoff
Dodge Dakota
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7/01/2003
14:36:51
| RE: cold air intake
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Sorry for bringing back an old post, but I'm trying to get a better air intake for my 95 318 and haven't found much for under $150. Nobody makes a cold air intake for my truck and the FIPK for it is only a 14x2.25 air filter. Surely somebody else makes a filter and housing that size for less. Any ideas?
I have an open 6x2.5 filter now that is a bit better than stock but it still feels like my engine is short of air.
If I were to build my own cold air intake, how would I join my rectangular air hat to the round pipes? does anybody have an air hat from a newer dak with a round opening they want to sell?
Thanks Geoff
geoff_fahl_1@yahoo.com
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DakToBasics
Dodge Dakota
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7/14/2003
11:39:05
| RE: cold air intake
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Gen II Geoff,
The biggest problem with the factory air hat is the fact that it is #1, METAL and #2, On top of the engine! In order to truly be a cold air induction you need to replace the source of heat from the top of the engine and reduce the surface area of the intake itself. The factory intake tube is effective if you remove the "splash" shield behind the grill, just to the left of the radiator.
I am trying to figure out a way to do the same thing you are, but the heat conducted by the metal air hat is horrible. The only thing I can think to do is vent the right side of the air hat to allow air to pass through it and possibly lower the temperature of the charge. This will not necesarily force air into the venturies, but it should cool it off whenever the truck is moving.
By nature there should be low pressure under your hood and high pressure in front of the vehicle, when in motion, which will effectively force air through the intake tube cooling anything it comes in contact with. But you again have to deal with how quickly metal conducts heat. No matter how cool you get it when in motion, the air will probably reach under hood temperatures before the light turnes green, which is when you need cool air the most!
The only thing that will definitely do what we want it to do would be an ABS fender mounted filter box, fed from the factory inlet beside the radiator feeding the venturies trough an ABS top hat just large enough to cover the throttle body. The key to it is to place the filter and its housing away from the engines heat.
If you find a way to do this for less than $100, let me know!!!
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03Dak
Dodge Dakota
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7/15/2003
00:46:13
| RE: cold air intake
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I made mine last nights. I used 3 inch ABS and a 3 inch K&N cone shaped filter that takes the air from behind the bumper. It's wrapped with foil tape for now just to reflect some heat. Later I will wrap it with 1/4 inch insulated bubble/foil wrap.
100% OUTSIDE AIR. The tube is basically the same overall length of the stock tubing but way less restrictive. I haven't ran it yet to see what the actual gain is, but I sure as hell noticed it come alive over 3000 RPM's and the 1st to 2nd gear shift is a lot firmer. Very noticable. I was surprised. I'll have to race my friend to see how it did. I'm sure my home brew is FAR superior to the lame pipe and filter you will buy from someone. I had to cut a hole to get my filter to the outside of the engine compartment. The cold air kit you buy just sticks the filter to one side of the other of the engine compartment. What a rip!
My mod described in detail here
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