Need help on cold air intakes
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Freshman User
Joined: Feb 2011
Posts: 31
Likes: 0
From: Tri cities wa
Need help on cold air intakes
I have a 2002 f 250 7.3 and would
Like to put a cold air intake on I
Don't know which ones are the best
I think either K&N our S&b can any
one help please.
Like to put a cold air intake on I
Don't know which ones are the best
I think either K&N our S&b can any
one help please.
Post Fiend
Joined: May 2009
Posts: 5,470
Likes: 3
From: Pea Ridge, AR
Both of those remove the stock airbox which is known to crack around the clips and allow dust into the turbo and engine, here's the price on the 6637 or kit, Riffraff Diesel: 6637
Most parts stores can get you the filter as well almost always more than Clay, its cross reference is a wix 46637 part number.
All of these would be good options, Riffraff Diesel: Intake Kits / Filters
Most parts stores can get you the filter as well almost always more than Clay, its cross reference is a wix 46637 part number.
All of these would be good options, Riffraff Diesel: Intake Kits / Filters
Posting Guru
Joined: Jul 2008
Posts: 1,736
Likes: 0
From: Dalton,Ga
Have ran cold air and 6637 here and no jelled fuel...but i run additives..
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Elder User
Joined: Dec 2009
Posts: 520
Likes: 0
From: Frederica
As far as fuel gelling from the cold air intake....no. Not a chance for that at all. Whoever is telling you that knows nothing about these trucks. It only allows more air to flow and filters it better. Mpg gains...not so sure. I'm sure it helps but I can't sit here and say a factual number.
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Posting Guru
Joined: Jul 2007
Posts: 1,360
Likes: 0
From: Charles Town, WV
I really can't see this happening. As the turbo compresses the air, that air temperature gets super heated far beyond the incoming fresh air temperature.
Postmaster
Joined: Jan 2009
Posts: 2,544
Likes: 4
From: Suffolk, VA
By the time you piece it all together and run around you can just have a kit delivered from clay. But on a side not a 6637 kit is not a cold air intake, its a hot air intake. The stock box is a cold air intake. Do what you will with that info. It's still better than the stock box if it leaks air around the seal.
I just hate the terminology CAI. Put a filter on a stick and all the sudden its a cold air intake. Not!
I just hate the terminology CAI. Put a filter on a stick and all the sudden its a cold air intake. Not!
Posting Guru
Joined: Jul 2007
Posts: 1,360
Likes: 0
From: Charles Town, WV
If you don't buy the complete kit from Clay, you'll need;
1. The filter.
2. A 4" dia. piece of 4"exhaust tubing oor a 3 1/2 dia. (I think, this will be 4" outside diameter) 4" piece of PVC from Home Depot.
3. One 4" hose clamp, also found at Home Depot.
You may also need to trim the left side (turbo side) of the bottom of the battery tray, you can use tin snips or a Dremel.
You'll also have an air sensor that unplugged from the factory airbox. Leave it plugged into the harness but most people just zip tie it to the master cylinder. You'll see when you get into it. Pretty simple.
1. The filter.
2. A 4" dia. piece of 4"exhaust tubing oor a 3 1/2 dia. (I think, this will be 4" outside diameter) 4" piece of PVC from Home Depot.
3. One 4" hose clamp, also found at Home Depot.
You may also need to trim the left side (turbo side) of the bottom of the battery tray, you can use tin snips or a Dremel.
You'll also have an air sensor that unplugged from the factory airbox. Leave it plugged into the harness but most people just zip tie it to the master cylinder. You'll see when you get into it. Pretty simple.
Fleet Mechanic
Joined: Nov 2008
Posts: 1,573
Likes: 4
From: Seattle
