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.

my LS1 T56 swap

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Old Apr 12, 2017 | 02:52 PM
  #1  
91firebird5.0's Avatar
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From: Vermont
Car: 91Firebird Formula
Engine: 5.0 TBI / Now LS1
Transmission: Auto / Now T56 with stage 2 monster
Axle/Gears: 4/10
my LS1 T56 swap

Hello all I just wanted to share my build so far with a link to an album as I don't have a build thread. The car is a 91 Firebird Formula that had a 5.0 TBI & an automatic that started out as a engine a transmission only swap that grew a lot. After seeing BADNBLK build thread it inspired me to go much further. See album for more, Pictures are always good. Enjoy!!



5.0 T.B.I waiting to come out



engine back in for final mock up

Here is a link to my album that will show much more.
https://www.thirdgen.org/g/album/7251487

Last edited by 91firebird5.0; Apr 18, 2017 at 01:57 PM.
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Old Apr 12, 2017 | 05:39 PM
  #2  
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jmd
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From: Aridzona
Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
Re: my LS1 T56 swap

Nice clean swap.

The red intake makes it look like you dry sumped it and stuck it loooooowwwww!
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Old Apr 12, 2017 | 08:39 PM
  #3  
91firebird5.0's Avatar
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From: Vermont
Car: 91Firebird Formula
Engine: 5.0 TBI / Now LS1
Transmission: Auto / Now T56 with stage 2 monster
Axle/Gears: 4/10
Re: my LS1 T56 swap

Originally Posted by jmd
Nice clean swap.

The red intake makes it look like you dry sumped it and stuck it loooooowwwww!
Thank you!
I believe it is just the angle of the picture.
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Old Apr 17, 2017 | 04:53 PM
  #4  
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From: Niles, IL
Car: '91 LS6/T56/9"
Engine: LS6
Transmission: T56
Axle/Gears: Currie 9"/4.11, detroit truetrac
Re: my LS1 T56 swap

My LS1 is mocked up in the engine bay just like yours and I had to move the #8 coil to prevent it fron putting a hole in the AC box. Did you have that problem?
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Old Apr 17, 2017 | 09:22 PM
  #5  
QwkTrip's Avatar
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Car: '89 Firebird
Engine: 7.0L
Transmission: T56
Re: my LS1 T56 swap

Originally Posted by robguitargod1
My LS1 is mocked up in the engine bay just like yours and I had to move the #8 coil to prevent it fron putting a hole in the AC box. Did you have that problem?
You're not imagining things, it will punch a hole. I modified the bracket to move the coil.

https://www.thirdgen.org/forums/ltx-...ml#post5901869
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Old Apr 17, 2017 | 09:36 PM
  #6  
91firebird5.0's Avatar
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From: Vermont
Car: 91Firebird Formula
Engine: 5.0 TBI / Now LS1
Transmission: Auto / Now T56 with stage 2 monster
Axle/Gears: 4/10
Re: my LS1 T56 swap

Originally Posted by robguitargod1
My LS1 is mocked up in the engine bay just like yours and I had to move the #8 coil to prevent it fron putting a hole in the AC box. Did you have that problem?
I didn't have that problem as I used the Holly engine mounts and trans cross member which eliminates that problem. it is a great system and I highly recommend it. They also make a really nice set of swap headers and true duel exhaust system.
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Old Apr 17, 2017 | 10:06 PM
  #7  
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From: Modesto, California
Car: 88 Firebird Formula
Engine: LO5 5.7 TBI/Ebl Flash
Transmission: 700R4
Axle/Gears: 2.73 stock rear end
Re: my LS1 T56 swap

Did the car/engine bay get painted as well? Lookin good
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Old Apr 18, 2017 | 01:55 PM
  #8  
91firebird5.0's Avatar
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From: Vermont
Car: 91Firebird Formula
Engine: 5.0 TBI / Now LS1
Transmission: Auto / Now T56 with stage 2 monster
Axle/Gears: 4/10
Re: my LS1 T56 swap

Originally Posted by Ghettobird52
Did the car/engine bay get painted as well? Lookin good
Gettobird52, yes I painted the whole under side of the car and the engine bay as well. Thank you! I'm happy with the way it came out. If you look at the link to my album in the first post you will see most of what I did to the car.
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Old Apr 18, 2017 | 01:58 PM
  #9  
91firebird5.0's Avatar
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From: Vermont
Car: 91Firebird Formula
Engine: 5.0 TBI / Now LS1
Transmission: Auto / Now T56 with stage 2 monster
Axle/Gears: 4/10
Re: my LS1 T56 swap

Sorry didn't realize I didn't have the link on the first post. it is there now.
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Old Apr 20, 2017 | 09:52 PM
  #10  
91firebird5.0's Avatar
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From: Vermont
Car: 91Firebird Formula
Engine: 5.0 TBI / Now LS1
Transmission: Auto / Now T56 with stage 2 monster
Axle/Gears: 4/10
Re: my LS1 T56 swap

I finished installing my BMR sub frame connecters, rear sway bar and pbr breaks and rotors.









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Old Apr 23, 2017 | 06:21 PM
  #11  
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Re: my LS1 T56 swap

Looking good... I am cleaning and painting the bottom of my car.... hard to keep motivated.
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Old Apr 24, 2017 | 06:18 PM
  #12  
91firebird5.0's Avatar
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Joined: Sep 2011
Posts: 29
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From: Vermont
Car: 91Firebird Formula
Engine: 5.0 TBI / Now LS1
Transmission: Auto / Now T56 with stage 2 monster
Axle/Gears: 4/10
Re: my LS1 T56 swap

Originally Posted by MustangEater82
Looking good... I am cleaning and painting the bottom of my car.... hard to keep motivated.
Thanks! it is a lot of work but it is very rewarding when you are finished and it protects the car and make it last that much longer. keep going you can do it!
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