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Pics of my homemade CAI

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Old Jun 4, 2006 | 08:06 PM
  #1  
huntingwood's Avatar
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Car: 1989 Trans Am
Engine: l98
Transmission: 700 R4
Axle/Gears: 10 bolt with 3.23s
Pics of my homemade CAI

Hey guys, I made this cold air intake awhile ago, but just now got around to posting pictures of it. I just used exhaust pipe from advance auto, and painted it with Eastwood "almost chrome." I didn't have the money for a K&N filter, so I just got some off-brand cone filter from the import section at Advance. I had to cut a hole through the tray with a 3" holesaw. Sorry I don't have any pictures from underneath.
Attached Thumbnails Pics of my homemade CAI-cold-air-picture-1.jpg   Pics of my homemade CAI-cold-air-picture-2.jpg   Pics of my homemade CAI-cold-air-picture-3.jpg  
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Old Jun 4, 2006 | 08:21 PM
  #2  
Tobias05's Avatar
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From: any clime or place...
Car: 1987 Camaro SC, 1999 Z28
Engine: GMPP 350HO, LS1
Transmission: Built 700r4/EDGE 3200, T56
Axle/Gears: 3.42 Eaton 7.625, 3.42 Zexel Torsen
hey whatever works, isn't the prettiest I've seen, but it gets the job done, and that's what counts!

What size is the filter?
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Old Jun 4, 2006 | 10:04 PM
  #3  
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Car: 1989 Formula 350
Engine: 350
Transmission: 700R4
How does it work? Do you notice any improvement
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Old Jun 5, 2006 | 11:52 PM
  #4  
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Car: 1989 Trans Am
Engine: l98
Transmission: 700 R4
Axle/Gears: 10 bolt with 3.23s
It seems to pull a bit harder in the upper rpm range, but I'm not sure whether its in my head or not. It seems like it would have to make a difference though, because the filter is completey isolated from the engine bay and since it's a cone filter, it should be getting more air than the stock one. Anyone think it's worth it to get a K&N, or are most of the cone filters about the same?
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Old Jun 6, 2006 | 12:13 AM
  #5  
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From: Hamilton
Car: 1990 IROCZ Camaro
Engine: 350 4bbl, 200cc Heads, 270hr Cam
Transmission: 700R4 w/ Trans-Go shift kit.
Axle/Gears: GM 10 bolt Posi
Originally Posted by huntingwood
It seems to pull a bit harder in the upper rpm range, but I'm not sure whether its in my head or not. It seems like it would have to make a difference though, because the filter is completey isolated from the engine bay and since it's a cone filter, it should be getting more air than the stock one. Anyone think it's worth it to get a K&N, or are most of the cone filters about the same?
K&N's are tried and true however, you might see a 5hp difference, but not enough to spend 45$ on a filter for. Keep what you have and when it comes time for a new filter, then maybe go K&N
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Old Jun 6, 2006 | 06:19 AM
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Car: 1989 Formula 350
Engine: 350
Transmission: 700R4
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Old Jun 8, 2006 | 07:55 AM
  #7  
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From: 39.84N 105.11W
Car: '89 Trans Am GTA
Engine: WAS 350 - now L92 (alum. 378/6.2L)
Transmission: WAS 700R4, now a built T56
Axle/Gears: 3.27 9-bolt
I did something very similar with mine, except I was able to use all stock parts right up to where the stock airbox used to sit - then I used a piece of black PVC pipe to go through the tray and into the "dead space" behind the fender & in front of the wheel. I went ahead & used a K&N to cap it off, but used a couple of self-tapping screws to make sure that it doesn't slip off while I'm driving.

I like it pretty well, I don't think that doing that added much if anything weight-wise, & the incoming air is fairly well-protected from water, etc. I've been tempted at times to fab up a forward-facing scoop to give it a bit of "ram effect", but I don't think it's worth the trouble - (it's only supposed to be worth maybe 3-4 HP at speed) especially given the fact that it would be more likely to ingest water that way...

I also agree with your assessment of how it worked - "It seems to pull a bit harder in the upper rpm range, but I'm not sure whether its in my head or not". I felt the same way when I did mine, & since we both had the same thing happen, I'm betting that it was probably worth a good 2 or 3 HP. Not much, but it will be worth more as we do further mods, & aren't restricted by the intake!

Maybe I'll put a couple pics up one of these years...

Last edited by V8Rumble; Jun 8, 2006 at 08:02 AM.
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