Throttle body swap??
Junior Member
iTrader: (1)
Joined: Dec 2005
Posts: 80
Likes: 0
From: St. Clair Shores, Mich.
Car: 89 Trans-Am
Engine: 5.7 TPI
Transmission: 700R4
Axle/Gears: 2.73
Re: Throttle body swap??
Jamon8, I don't have personal experience on this subject, and I heard before that they are different. What is different BTW???? I did a search and found http://tpiparts.net/inc/sdetail/360 Also other sites have the same IAC for 85-92 TPI. Could you please educate me on the subject???
Junior Member
Joined: Jan 2008
Posts: 40
Likes: 0
From: Orange Park, FL.
Car: 1986 IROC Z28
Engine: L98
Transmission: 700R4
Axle/Gears: 3:23
Re: Throttle body swap??
Hmmm.. I'm going to try the same thing on my 86 IROC. Mine has a 91 350 in it though and I think the guys who did the eng swap for me said they had to switch the TB because of the linkages were different.
Joined: Apr 2005
Posts: 7,736
Likes: 14
From: Not in Kansas anymore
Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: Throttle body swap??
Early model TB have the cable fitting on a carb style stud. Later models have the cable fitting into a quadrant on the shaft.Was supposed to give better feel as the cable "unwraps" from the quadrant.
Use throttle cable to suit what ever year TB you are using.
IAC wire plug changed on LT1's.
Use throttle cable to suit what ever year TB you are using.
IAC wire plug changed on LT1's.
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Supreme Member
iTrader: (3)
Joined: May 2005
Posts: 1,942
Likes: 0
From: Southern IL
Car: 88 GTA "Cocaine"
Engine: 350 tpi
Transmission: 700r4
Axle/Gears: 3.27
Re: Throttle body swap??
the intake manifold has some holes in it where the motor takes in the iac air to idle the car where as the newer style has two little slots that are cut into the pleneum after the throttle body
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