LTX and LSX Putting LT1s, LS1s, and their variants into Third Gens is becoming more popular. This board is for those who are doing and have done the swaps so they can discuss all of their technical aspects including repairs, swap info, and performance upgrades.

lt1 swap

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Old Mar 29, 2007 | 09:16 PM
  #1  
3rdgen92maro's Avatar
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From: Fairchild AFB, Wa/Oviedo FL
Car: 1995 Firebird Formula
Engine: LT1
Transmission: Th350/4k stall
Axle/Gears: 10 bolt with 3.42s
lt1 swap

im gettin ready to swap a 94 lt1 into my 91 z28 camaro. i was woundering how long this will take. i have the whole harness, ecm and fuse block.
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Old Mar 30, 2007 | 03:47 PM
  #2  
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From: Detroit, MI
Car: 1991 Z28 Vert
Engine: LT1 350
Transmission: T56 6 Speed
Axle/Gears: 3.42 LSD
Re: lt1 swap

I had the TPI out and LT1 in about a 1-1/2 days mainly because it my motor mount was backwards and I couldn't get it to sit properly. I probably took another 3 days on the wiring just to be sure I had it right. Its not a long process as long as you have everything you need at hand before you do the swap. This was my first time doing an engine swap, period. However, working out the kinks seems like its taking forever.

Good luck,
Jay
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Old Mar 30, 2007 | 09:48 PM
  #3  
3rdgen92maro's Avatar
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From: Fairchild AFB, Wa/Oviedo FL
Car: 1995 Firebird Formula
Engine: LT1
Transmission: Th350/4k stall
Axle/Gears: 10 bolt with 3.42s
Re: lt1 swap

how many connections are there to be made?
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Old Mar 31, 2007 | 01:24 AM
  #4  
jagevileye21's Avatar
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From: Detroit, MI
Car: 1991 Z28 Vert
Engine: LT1 350
Transmission: T56 6 Speed
Axle/Gears: 3.42 LSD
Re: lt1 swap

I can't remember exactly but I had think it was about 12 or so. I had my harness modified by Dana @ LT1350.com so it made it a little easier because everything was labeled.

Jay
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Old Mar 31, 2007 | 08:01 AM
  #5  
Klortho's Avatar
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Joined: May 2004
Posts: 2,924
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From: Kingston, Tn
Car: 1987 GTA
Engine: LT1
Transmission: T56
Axle/Gears: 9 bolt 3.70 posi
Re: lt1 swap

Well, let's see.....injector power (switched), ignition power (switched), PCM power (switched), PCM power (constant hot), oil pressure, temp, battery, purple ignition wire, fans, check engine, serial data (for the ALDL), speedo, tach....

that should just about cover it.
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Old Mar 31, 2007 | 01:44 PM
  #6  
3rdgen92maro's Avatar
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Joined: Sep 2005
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From: Fairchild AFB, Wa/Oviedo FL
Car: 1995 Firebird Formula
Engine: LT1
Transmission: Th350/4k stall
Axle/Gears: 10 bolt with 3.42s
Re: lt1 swap

it doesnt sound to hard at all it thats the only connections that have to be made. im pretty experinced with wiring and stuff. im gonna have like 10 days to do it do yall think it could be done in that amount of time
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Old Mar 31, 2007 | 11:18 PM
  #7  
TexasLT1's Avatar
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From: Angleton, TX
Car: '92 RS
Re: lt1 swap

10 days shouldn't be a problem. I would try to have fuel and powersteering lines handy and ready to go though so you don't have to spend a lot of time futzing with them.
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Old Apr 1, 2007 | 12:59 AM
  #8  
3rdgen92maro's Avatar
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Joined: Sep 2005
Posts: 140
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From: Fairchild AFB, Wa/Oviedo FL
Car: 1995 Firebird Formula
Engine: LT1
Transmission: Th350/4k stall
Axle/Gears: 10 bolt with 3.42s
Re: lt1 swap

yeah i hope it only takes a few days, cause im home on leave for 12days in apr and was hopin to have it done with in that time frame
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