'96 series II CAI with pics and part numbers - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 11-03-2005, 12:15 AM   #1
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Default '96 series II CAI with pics and part numbers

Just installed an Auto Zone pipe and K & N filter on a '96 SSE L36 series II. It has the single washer fluid jug but the PCM was in the way. I pulled the box, removed the plastic mount and laid it on it'* side with some padded material below it to protect wires. Also re-routed one line coming from the charcoal canister.

Auto Zone pipe part # 8219 $42.00 (cut down by 4" for my application)

K & N RX-4750 from AJ USA $49.00

http://www.ajusa.com/cgi-bin/knfilte...27e2373051b38a

Silicone 4" - 3" reducer part number PWRR40-300/400 $26.00

http://www.pwr-performance.com/coupler.htm

$117.00 for parts and about 2.5 hours to install. That covers everything but the heat shield which will have to wait for another day.

I also found that a small air die-grinder with a 1/2" machine bit works very nice for enlarging the "air intake temp. sensor" hole in the back of the K & N filter. My bit was just slightly less than 1/2" dia. and the sensor fit nice and snug. Word of caution. Make sure you carefully clean all rubber residue from inside the filter before installing.

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Old 11-03-2005, 12:21 AM   #2
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Looks good.

Did your coupling fit snugly on the TB, or did you have to make a kind of bushing between the two?

Is the PCM secured somehow, or just sitting there?

What have you got planned for the enclosure?
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Old 11-03-2005, 12:32 AM   #3
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The 4" coupler was about 1/8" to large but the silicone material is very plyable and the hose clamp brought it down to size and I'm happy with it.

I don't have anything securing the PCM right now but I'm not completly satisfied with that part of the project. I would like to hear some good ideas from somebody thats done this before. I plan to make a thin soft rubber support to go under the PCM and then strap it down with a zip tie. Sounds kind of crude but, hey, whatever works!

I have a little part time side business making some specialized plexi-glass products so I'll probably grab some scrap pieces and start playing. I'll post a pic when I get something I like.
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Old 11-03-2005, 12:50 AM   #4
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Looks very good, and a very consice writeup, but let'* clarify:

You built an INTAKE. Not a CAI. In a sense, you have a HAI.
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Old 11-03-2005, 12:59 AM   #5
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Wouldn't it be more of a WAI.
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Old 11-03-2005, 01:00 AM   #6
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Hey, go easy on me. It is November so it'* somewhat cool. Now, if I don't get off my lazy butt and build a box before spring, then you got me!
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Old 11-03-2005, 01:04 AM   #7
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Not being harsh. Just trying to keep terminology straight to help the Noobs.

We all started with HAI'*. But we progress towards changing that first letter rapidly. :P
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Old 11-03-2005, 04:38 PM   #8
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What exactly does this improve, as far as performance?
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Old 11-03-2005, 05:52 PM   #9
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Engine horsepower, for the most part, is limited by the amount of air that can flow into the intake and out of the exhaust. Anything you can do to increase air flow will increase horsepower and effiecency. That'* why turboed and supercharged enginges make massive amounts of power even with very few cubic inches. The modification pictured above improves air flow by discarding the factory plastic airbox (restriction), replacing the paper filter element with a K & N filter (reduces restriction) and replaces the accordian shaped rubber hose fittings with smooth piping and straight couplers that do not disturb the flow of air. In theory I guess the most effiecent intake would be a smooth pipe catching fresh air with no air filter at all but the dirt cruising through your engine would't be good!

Cooler air is much denser than warmer air. When I finish building an enclosure around the back of the filter as Will pointed out , it will draw cooler fresh air from behind the headlight instead of hot air warmed from engine heat.

http://auto.howstuffworks.com/question395.htm

Thats a start. I'm sure the gurus around here will link you to the threads where this has been discussed at length.

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Old 11-03-2005, 06:57 PM   #10
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I wasn't aware that the L36 had such a large TB. Just curious, are there any 4" rice pips around and would this have any advantage?
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