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Dual Intake/Plenum?

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Old 09-04-2010 | 02:50 PM
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Dual Intake/Plenum?

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anyone ever done it?
Old 09-04-2010 | 03:41 PM
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Re: Dual Intake/Plenum?

Done what, exactly? That's a carb in the picture.
Old 09-04-2010 | 04:00 PM
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Car: 89 GTA/93 S13/91 Si
Engine: 5.7 350 TPI
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Axle/Gears: 3.23
Re: Dual Intake/Plenum?

sorry..shoulda been more specific...has anyone done a dual intake setup like that on a TPI?
Old 09-04-2010 | 04:06 PM
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Car: 87 iroc-z camaro
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Re: Dual Intake/Plenum?

do you mean dual cai? SLP use to make one but there rare and expensive now. At first i thought you ment two tpi intakes with 4 runners on each intake all on one engine, now that would be awesome
Old 09-04-2010 | 06:05 PM
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Car: 89 GTA/93 S13/91 Si
Engine: 5.7 350 TPI
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Re: Dual Intake/Plenum?

lol..yeah that would but yeah i mean a dual CAI setup..ive seen the k&n one but i wanna see custom made ones i guess....
Old 09-09-2010 | 05:52 PM
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Car: 89 GTA/93 S13/91 Si
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Re: Dual Intake/Plenum?

anyyyyyyonnnnnneeee?????????
Old 09-09-2010 | 07:22 PM
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Re: Dual Intake/Plenum?

Wouldn't that require two MAF sensors tho? I'm sure that would be one HELL of a job reprogramming the ECU lol.. Better getting one bigger tube behind the headlight OR keeping the stock one (which is fine for TPI no?)
Old 09-09-2010 | 11:30 PM
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Re: Dual Intake/Plenum?

If it's SD it should be doable without too much issue. I'd take a piece of 3" and make a merge. It will be roughly 4". I would guess it would be a custom piece. That being said it's the price you pay for being cool and different.

I've thought a cool design would be to do a set of TPI runners up where they were cut off at a 90 degree angle roughly like a Lingerfelter intake (instead of doing a 180 like stock) and then doing 2 plenums/TBs instead. Doubt it would be any more functional just look neat. Throw a set of stock Vortec/LS1/whatever TBs on there and call it a day.
Old 09-11-2010 | 02:10 AM
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Car: 89 GTA/93 S13/91 Si
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Axle/Gears: 3.23
Re: Dual Intake/Plenum?

ehh...ls1 swap = i want
ive heard this can be a BIG power increase tho...i HEARD 30+hp
Old 02-09-2011 | 02:59 PM
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Car: 89 GTA/93 S13/91 Si
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Re: Dual Intake/Plenum?

forgot about this thread..anyone have any?
Old 02-09-2011 | 03:25 PM
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Car: 1996 Camaro, 1985 Camaro
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Re: Dual Intake/Plenum?

Well some of the camaros have a dual snorkel CAI factory that draws from in front of the radiator, the airbox is basically y shaped, so it only needs one MAF, its the setup my car has on it, unfortunately, I do not think they work with the firebirds because of hood clearance or something, but you could probably adapt one to work somehow.
Old 02-09-2011 | 03:31 PM
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Transmission: T5, 700R4, T5, 700R4
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Re: Dual Intake/Plenum?

irocdennis used that on a carb, something like that on a tpi would be like the slp cold air induction
Old 02-09-2011 | 08:15 PM
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Re: Dual Intake/Plenum?

havent seen anyone do a true dual plenum/tb setup but i'd love to try it. Just not sure how you'd do that electronically and mechanically on the linkage.

I dont see the advantage in dual CAI... just run one big tube to the side. Packaging is only reason i can see a dual intake setup...two smaller pipes are easier to route in the engine bay
Old 02-09-2011 | 09:47 PM
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From: Scottsdale, AZ
Car: 89 GTA/93 S13/91 Si
Engine: 5.7 350 TPI
Transmission: 700R4
Axle/Gears: 3.23
Re: Dual Intake/Plenum?

well, i was thinking like how the SLP CAI is but with the MAF like how its positioned on the camaros Y Box..
Old 02-10-2011 | 10:39 PM
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From: wilb. ma.
Car: 1990 trans am
Engine: 350 tpi
Transmission: 700r4
Re: Dual Intake/Plenum?

here ya go.
Old 02-10-2011 | 10:43 PM
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Re: Dual Intake/Plenum?

Looks like that setup requires relocation of the battery and deletion of the charcoal canister.
Old 02-10-2011 | 10:45 PM
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Re: Dual Intake/Plenum?

Originally Posted by Project 3.4 Camaro
Looks like that setup requires relocation of the battery and deletion of the charcoal canister.
And a change in the upper rad hose.
Old 02-10-2011 | 11:43 PM
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Re: Dual Intake/Plenum?

Originally Posted by 90tararebird
I want! Would it be possible to take multiple stock intakes and fabricate something like that?

Also, could you get a photo of the underside of the driver's side so we can see the routing on the upper radiator hose?
Old 02-15-2011 | 01:35 PM
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Re: Dual Intake/Plenum?

Originally Posted by Orr89RocZ
havent seen anyone do a true dual plenum/tb setup but i'd love to try it. Just not sure how you'd do that electronically and mechanically on the linkage.

I dont see the advantage in dual CAI... just run one big tube to the side. Packaging is only reason i can see a dual intake setup...two smaller pipes are easier to route in the engine bay
I've seen it done on Fieros more than once:
Attached Thumbnails Dual Intake/Plenum?-ed_parks_swapmeet_013.jpg  
Old 02-15-2011 | 01:48 PM
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Car: 1989 Mystery Firebird
Engine: 350 FIRST TPI
Transmission: 700r4
Re: Dual Intake/Plenum?

i think dynodon would be able to make one....

spoke to him a whileeeeeeeeeeeeeeeeeeee back about something like this
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