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Overthehill
Dodge Dakota
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3/25/2004
15:27:55
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 Subject: HOMEBREW COLD AIR INTAKE
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I've been seaching this site for info on making my own cold air intake for my '00 R/T. I appears that using PVC may work, but high temps under the hood make it questionable. Using metal tubing defeats the cold air intake since it retains heat so well. I called my local plumbing wholesaler and he suggested CPVC. Below is a something I found on a website http://www.ppfahome.org/cpvc/ that shows it may be perfect for what I am trying to do with it. In fact, it is good to 180 degrees and is recommended for fire sprinklers. What do you think??
Industrial CPVC pipe is manufactured by extrusion in sizes from ¼" to 12" diameter to Sch 40, Sch 80, and SDR (Standard Dimension Ratio) dimensions.
CPVC pipe for plumbing systems is manufactured by extrusion in sizes ¼" through 2" copper tube size (CTS) dimensions. The CTS plumbing products are made to copper tube outside diameter dimensions, in accordance with ASTM D-2846 specifications, and have an SDR 11 wall thickness. The pressure ratings of the CTS SDR 11 systems are 400 psi (pounds per square inch) at 73 F and 100 psi at 180 F. CPVC plumbing pipe is sold in both straight lengths and (in small diameters) coils.
USES/APPLICATIONS
CPVC piping which is suitable for hot and cold water distribution has a 400 psi pressure rating at room temperature, and a 100 psi pressure rating at 180 F.
CPVC materials are resistant to many everyday household chemicals.
Since CPVC materials do not support combustion, they cannot burn without an external fuel source. This property makes CPVC pipe an attractive alternative to steel and copper pipe for fire sprinkler applications. CPVC fire sprinkler piping systems are approved for light hazard applications and for use in single and multifamily dwellings. Installation shall be in accordance with the NFPA Section 13, 13D, and 13R.
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F5Performance
Dodge Dakota
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3/25/2004
20:33:54
| RE: HOMEBREW COLD AIR INTAKE
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How many aftermarket companies make intakes for the dakotas?
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RaZoR1
Dodge Dakota
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3/25/2004
20:45:08
| RE: HOMEBREW COLD AIR INTAKE
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Damn dude...... its just for an air intake.... i don't think you'll be pulling no 400psi..... and if temperatures under the hood were that extreme don't you think it may melt the wiring??? I guess no one can say you don't do your homework.:) go for it.............
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CoorsR/T
Dodge Dakota
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3/25/2004
23:11:33
|  RE: HOMEBREW COLD AIR INTAKE
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Hey buddy the pvc will be fine. I made my homebrew out of it about a year ago. I have made many hot summer trips and many hot friday night races and it has givin me no problem at all.
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GraphiteDak
GenIII
3/26/2004
00:14:16
| RE: HOMEBREW COLD AIR INTAKE
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ABS works just fine too.
Put the stock air filter box back in the loop. It is much quieter compared to the tube with the cone filter on the end. Damn that was too loud!
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Overthehill
Dodge Dakota
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3/26/2004
07:10:01
| RE: HOMEBREW COLD AIR INTAKE
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I was looking over the stock intake the way it is set up and I'm a little confused. Isn't the purpose of the K&N and Airaid systems to pull in cooler air and also increase air intake? The stock system appears to pull the air thru a hole in the inside of the fender instead of hot air under the hood. So, GraphiteDak, do I mount the K&N cone filter inside the current filter box to increase air flow?
Bone stock '00 Amber Fire R/T CC with 11,000 miles
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01Motorsport
Dodge Dakota
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3/26/2004
15:49:57
| RE: HOMEBREW COLD AIR INTAKE
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Removing the rubber flap between the radiator and headlight will allow outside air to the base of the stock air box. A Fernco 4" "no-hub" inlet from Lowe's or Home Depot serves to "catch" the incoming air from the grille, giving somewhat of a ram-air effect. You may be amazed at the results. '01 4.7 5-spd 3:92 RC
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01Motorsport
Dodge Dakota
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3/26/2004
15:52:10
| RE: HOMEBREW COLD AIR INTAKE
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Of course, remove the stock "elbow" inlet and replace it with the Fernco.
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alashaman
Dodge Dakota
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3/26/2004
17:17:52
| RE: HOMEBREW COLD AIR INTAKE
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GraphiteDak where is your IAT located in your homebrew?
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alashaman
Dodge Dakota
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3/26/2004
20:17:18
| RE: HOMEBREW COLD AIR INTAKE
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OVerthehill
I believe Graphitdak is using the K&N drop in for the 03 Dak. Just drop it into the stock airbox, fits perfect. Being as smart as i am i waited for GraphiteDak to get through about his 4th variation on his air intake before i stole his blueprints. Click his signature at the bottom, he has a great website with all this mods on it.
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