You can gut the airbox on LN3's!!!!!!!!!!!! - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1987-1991 Parley with regards to your 1987 to 1991 Bonneville, Olds 88 or Buick Le Sabre Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 05-13-2005, 01:31 AM   #1
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Default You can gut the airbox on LN3'*!!!!!!!!!!!!

I just took the top section off the stock airbox on my 1990 SSE out and realized there was a baffle in there -it didn't stay for very long since I had a large flat screw driver in my hand. Took all of about 1 minute to get it all knocked out.
Haven't started the car to see if it sounds any different -if it does it'* probably not really noticable as the box is still rather small.
As for power gains from it -maybe 1/2 hp at the most.

Anyhow, this is just an FYI for those who might me wondering if this was possible.
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Old 05-13-2005, 09:07 AM   #2
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I knew it was possible.. but the airbox just flat out sucks real bad, so like you said, the performance increase is little to none. Best to just get a CAI for our gen.


-justin
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Old 05-13-2005, 12:53 PM   #3
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Quote:
Originally Posted by opensourceguy
I knew it was possible.. but the airbox just flat out sucks real bad, so like you said, the performance increase is little to none. Best to just get a CAI for our gen.


-justin
After you install the pipe and the happy K&N the Old warhorse 3800C become much more responsive..

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Old 05-13-2005, 03:47 PM   #4
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I don't know about the CAI, but I took her around the block without any intake parts [just up to the MAF Sensor Body]. That made a HUGE difference in performance. I didn't throw her around, because I had just done something [can't remember what, and was too lazy to put the airbox back on]. Plus I really hate driving her without an airfilter.


-justin
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Old 05-13-2005, 04:52 PM   #5
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You know, in all my time here, I never bothered to figure out what a gutted airbox really looks like.
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Old 05-13-2005, 06:31 PM   #6
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Have always felt that the air filter used on the "C" engines was much too small. In later years the Bonne went to a A1096C and the V6 Aleros I get occasionally use an A1279C (I mention that one because it it not only much larger than ours but it also used a kind of over-the-shoulder airbox that would probably fit in our engine compartment.

Has anyone fitted one of these larger/later airboxes to a "C" engine ?
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Old 05-13-2005, 08:32 PM   #7
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I doubt it would work, because doesn't the airbox sit right where our compressor is? Isn't that why they moved the compressor in 92?



-justin
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Old 05-13-2005, 08:38 PM   #8
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Quote:
Originally Posted by opensourceguy
I doubt it would work, because doesn't the airbox sit right where our compressor is? Isn't that why they moved the compressor in 92?



-justin
I believe so.
I am going to look into moving the air pump to the stock 92 location and add a 1992 air box I have here because I don't intend on putting a CAI in for selling the car.
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