LT1 throttlebody IAC housing - Third Generation F-Body Message Boards

LT1 throttlebody IAC housing

Old 01-07-2019, 06:22 PM
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Car: 91 Camaro RS
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LT1 throttlebody IAC housing

just need a housing. Donít need the whole tb
thanks


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Old 01-07-2019, 07:10 PM
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Re: LT1 throttlebody IAC housing

93 uses a tpi screw in iac.
94-97 has the iac housing as you have shown. Here is one for cheap.
https://www.ebay.com/itm/93-97-Camar...IAAOSwPEFbi0Ex
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Old 01-08-2019, 04:03 AM
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Re: LT1 throttlebody IAC housing

thanks. im going the same route you did using this on my tpi set up now.
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Old 01-08-2019, 10:59 AM
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Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: LT1 throttlebody IAC housing

There is little clearance on the left side water outlet and the t stat housing. The last one I used was on a stock tpi. I’m not sure but there maybe clearance issues with the manifold on aftermarket bases and runners.
here is the wiring. The square 4 connector is female unlike the picture.
https://www.thirdgen.org/forums/tpi/...t-iac-use.html
hope that helps
last post
https://www.thirdgen.org/forums/tpi/...ttle-body.html

Last edited by Tuned Performance; 01-08-2019 at 11:04 AM.
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Old 01-08-2019, 11:07 AM
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Re: LT1 throttlebody IAC housing



You can always cut the iac housing down too.
if you need a gasket kit autozone has gp sorensen
96-3008
If you have a serpentine belt setup Dayco 87662
works well to bypass the throttle hoses. It runs from the front intake coolant port to the heater control valve.

Last edited by Tuned Performance; 01-09-2019 at 07:34 PM.
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Old 01-11-2019, 09:23 PM
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Re: LT1 throttlebody IAC housing

Although I have a 91 Iím running belt because Iím running alternator and power steering. Iím running the stock but ported tpi base and plenum
i got the housing today I dug our a couple of iac actuators I collected over the years from body part outs. Iím not sure if they will work. They both have to be mounted with screws and harness adapter. Is there a specific part number on the iac ?


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Old 01-13-2019, 01:58 PM
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Re: LT1 throttlebody IAC housing

Ac27 is one part number for the iac

https://www.ebay.com/itm/AC27-Idle-A...5.7L&_nkw=ac27
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Old 01-13-2019, 02:01 PM
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Re: LT1 throttlebody IAC housing

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