TPI Tuned Port Injection discussion and questions. LB9 and L98 tech, porting, tuning, and bolt-on aftermarket products.
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Old Feb 20, 2006 | 09:01 PM
  #1  
1bad88droptop's Avatar
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Joined: May 2005
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From: ohio
Car: 88 camaro drop top custom
Engine: turbod lt1
Transmission: t56
induction

What do u guys think would be the best choice for my induction?

keep stock induction with KnN filters

Fbodymotorsports induction ( it says 20 hp increase)

just a KnN cone filter on the end of my tpi



please help ordering one soon
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Old Feb 20, 2006 | 09:23 PM
  #2  
indirocz28's Avatar
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Joined: Nov 2005
Posts: 332
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From: Southern IN
Car: 1986 IROC Z-28
Engine: Rebuilt Vortec Headded 358SB 9.5:1
Transmission: 700r4, corvette servo, Transgo kit
Axle/Gears: 3.23 POSI
I'd say you could make your own setup and gain the ( so called) 20 horsepower..
There are a few different ways of making your own CAI. I've been scouting ways on my car for the past couple weeks.. Im thinking about cutting out the bottom air boxes and running like a dryer tube up from behind the fog lights so they gather cooler air..

and unless your doing 150mph the incoming air isnt going to "ram" down into your car to make it more, it is just cooler and more dense,<--Spelling?
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Old Feb 21, 2006 | 01:17 AM
  #3  
INTIMIDATOR Z's Avatar
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From: Home of most 3rd gens Van Nuys, CA
Car: 1987 IROC
Engine: Turbo 293ci 4.8l
Transmission: T56
i actually been finding out that K&N's restrict more air then they flow. theyre made for off road use mostly. i switched to fram filters and felt a pretty nice difference.

just my opinion though.
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Old Feb 21, 2006 | 11:06 AM
  #4  
tenpin842's Avatar
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Joined: Jan 2006
Posts: 793
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From: Michigan
Car: 1987 Trans Am
Engine: 5.0L TPI
Transmission: 700R4
Axle/Gears: Richmond 3.73
I like K&N's filter. I spent the money on my SLP air induction system for my Trans Am. The coffee can was a bad design if you ask me. Camaros had alot better set up.
I would go with the filter on the end of the Throttle body. But depends on what your looking for. I like the clean look of a motor compartment. But the stock set up is pretty nice too.
Keep us informed and take some pics!
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Old Feb 21, 2006 | 01:08 PM
  #5  
D's89IROCZ's Avatar
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Joined: Jan 2003
Posts: 1,931
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From: Ontario, Canada
Car: 1989 IROC-Z
Engine: 5.7L EFI LTR setup
Transmission: T-5 World Class
Originally posted by ETERNALDARKNESS
i actually been finding out that K&N's restrict more air then they flow. theyre made for off road use mostly. i switched to fram filters and felt a pretty nice difference.

just my opinion though.
Only if the guy doesn;t know who much oil to put on the filters . They flow more than a paper filter.

Also don't put one on the end of the TB . It only has hot air to grab , so thats a bad idea. Looks tight though
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Old Feb 21, 2006 | 05:27 PM
  #6  
Shagwell's Avatar
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Joined: Apr 2002
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From: Southwest Florida
Car: projects.......
Only if the guy doesn;t know who much oil to put on the filters . They flow more than a paper filter. They flow more than a paper filter.

Also don't put one on the end of the TB . It only has hot air to grab , so thats a bad idea. Looks tight though
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Old Feb 21, 2006 | 05:58 PM
  #7  
86IROCer's Avatar
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Joined: Apr 2003
Posts: 40
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From: My Central PA garage
Car: 1986 IROC-Z28
Engine: 305 TPI
Transmission: Boring Automatic
I too thought about this subject for quite some time. Actually years. I decided to build an air intake rather than keep the stock intake. I had the ever restictive "y" intake. I, like many, decided to go to the local Lowe's and buy some rubber/pvc hoses and start building. It's a little tight and I havent had it on the road yet, but it seems to respond a little better. I can probably post some pictures if anyone cares to see. Anyway, felt compelled to post since I just went through this myself.
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Old Feb 21, 2006 | 07:02 PM
  #8  
INTIMIDATOR Z's Avatar
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From: Home of most 3rd gens Van Nuys, CA
Car: 1987 IROC
Engine: Turbo 293ci 4.8l
Transmission: T56
well im gonna be having a guy custom mandrel bend me piping thats gonna go from the maf all the way down to 2 half circle filters behind the fog lights.
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