90to89LT1 Swap

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Nov 4, 2001 | 06:28 PM

LT1ROCKS

Thread Starter

Junior Member

Joined: Nov 2001

Posts: 3

Likes: 0

90to89LT1 Swap

I need wiring and vaccum diag for a 90 GTA Trans Am with a 350LT1,I replaced the motor with a LT1 from a 1989 GTA Trans Am and the wiring for the fuel injection plugs and the vaccum lines are crossed from the 90 LT1.Can you please help me out with any info or diag.
Thanks

Nov 4, 2001 | 08:27 PM

Markolc

Senior Member

Joined: Oct 1999

Posts: 566

Likes: 1

From: New Britain, CT, U.S.A

Car: '87 IROC

Engine: LT1 350

Transmission: 700-R4

LT1's never came in any Camaro's/firebirds until 1993.

Nov 5, 2001 | 01:23 PM

TexasLT1

Supreme Member

Joined: Oct 2000

Posts: 3,819

Likes: 3

From: Angleton, TX

Car: '92 RS

besides the fact that the LT1 didnt even come in Vettes until, I think, 1991

------------------
-'92 RS with self-installed '95 LT1
-Heddman Headers
-TPIS throttle body airfoil
-MSD 6-AL Ignition
Kills

-'97 Mustang Cobra
-'98 V6 Camaro
-'89 5.0 ****stang
-'97 Sebring
-'96 ****stang Cobra
-'95 Camaro Z28
-'88 Firebird
-'99 Ford Lightning
-'01 Camaro SS (OH YEAH BABY!!!)
-'96 Turbo Eclipse
-'99 Mustang GT
-'01 Nissan Maxima

Losses
-'01 Mustang GT
-'99 Mustang GT
-'96 Mustang Cobra
-'95 Z28 (good race)
-'96(?) Turbo Eclipse (d*mn good race, heavily modified)