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4bbl Throttle Body Help

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Old May 1, 2004 | 05:18 AM
  #1  
87CIZ's Avatar
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From: Ohio
Car: 88' Iroc-Z
Engine: LQ9
Transmission: T-56
Axle/Gears: 3.42
4bbl Throttle Body Help

ok i have a 4bbl throttle body it has a place for the map sensor and the tps sensor. but not the iac. How can i machine one? or do i have to have it? I have an 88 with tbi but its getting the 91 - 92 map system 730 ecm does it require iac? or can i get away without it
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Old May 1, 2004 | 10:45 AM
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From: In reality
Car: An Ol Buick
Engine: Vsick
Transmission: Janis Tranny Yank Converter
A 87 Vin C, FWD 3.8L has the IAC in a small housing, a cover plate, tapped for two vac lines, will give you a remote IAC, then just route one line to the air filter, and the other under the TB and you're good to go.

There's probably other donors, just that one is off the top of my head.
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Old May 1, 2004 | 11:18 AM
  #3  
87CIZ's Avatar
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From: Ohio
Car: 88' Iroc-Z
Engine: LQ9
Transmission: T-56
Axle/Gears: 3.42
what kind of car would have it?

would that be a grand am/prix or something like that?

Last edited by 87CIZ; May 1, 2004 at 11:16 PM.
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Old May 4, 2004 | 06:30 AM
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From: Panama City, Fl
Car: '89 Formula, '97 Z28, '88 Formula 350
Engine: 305 TBI(LO3)
Transmission: TH700R4(MD8)
Might want to try to contact Howell eng.. There helping me out with the 4bbl TBI problems a lot.
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Old May 5, 2004 | 02:24 AM
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From: Ohio
Car: 88' Iroc-Z
Engine: LQ9
Transmission: T-56
Axle/Gears: 3.42
how do i get in touch with them?
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