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.

LS and TH400??

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Old Sep 20, 2013 | 09:04 AM
  #1  
LastGTA's Avatar
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From: Huntley, Il
Car: 92 GTA
Engine: 350
Transmission: A-4
LS and TH400??

I'm putting a TH400 behind my LS and it obviously doesn't have torque arm provisions. Most suspension companies sell a Th400 cross member and torque arm that mounts to it but none say anything about the LS. Will they work or does the LS put the 400 in a different location as a SBC??
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Old Sep 20, 2013 | 09:48 AM
  #2  
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From: Pittsburgh PA
Car: 89 Iroc-z
Engine: 555 BBC Turbo
Transmission: TH400
Axle/Gears: MWC 9” 3.00
Re: LS and TH400??

I dont believe the ls1 puts the th400 in any different location. Tailshaft should be same location. My friend has a th350 in his ls 6.0 build and he reused his torque arm and swap crossmember. The engine mounts for ls place motor in correct position
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Old Sep 20, 2013 | 10:04 AM
  #3  
LastGTA's Avatar
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Joined: Dec 2005
Posts: 94
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From: Huntley, Il
Car: 92 GTA
Engine: 350
Transmission: A-4
Re: LS and TH400??

Great, thanks. I was hoping for that.
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