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.

First question about my LSX swap.

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Old Jun 26, 2010 | 02:07 PM
  #1  
Mkos1980's Avatar
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From: Macedonia ,OH
Car: Formula
Engine: 6.0 LSX
Transmission: 4L60E
Axle/Gears: 9 Bolt 3:27
First question about my LSX swap.

I'm going with a newer LQ4 motor and want to use my 4L60E I just had redone for my formula last year. The 4l60E is a 95 I know it will bolt up, but is it just the adapter and flexplate I have to use to bolt the converter up? I see people bolting up 700r4's and t350's with this kit. I emailed hawks and they said that only a 4l60e from a newer motor will bolt up. They said the "input shaft" is differant. whatever that means. Thoughts? Also is the 4L's the same length from bellhousing to tip? Just asking if their cross member will be needed.
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Old Jun 26, 2010 | 03:46 PM
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From: O'Fallon, MO
Car: 1991 Z28 convertible built 3/1/1990
Engine: Cammed 6.0L LSX
Transmission: T56
Axle/Gears: custom Ford 8.8", 4.10 gears
Re: First question about my LSX swap.

I'm not sure about the cross member but the input shaft is different. Honestly if it were mine I would sell it and buy a later 4l60e that will bolt up instead of tear yours apart to swap shafts.
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Old Jun 26, 2010 | 03:59 PM
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From: Macedonia ,OH
Car: Formula
Engine: 6.0 LSX
Transmission: 4L60E
Axle/Gears: 9 Bolt 3:27
Re: First question about my LSX swap.

so the drive shaft would have to be shortened or lenghtened.? I see people bolting up 700R4's and T350's all the time with the flywheel and hub adapter from TCI or advance adapters. thoughts?
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Old Jun 26, 2010 | 04:02 PM
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From: Macedonia ,OH
Car: Formula
Engine: 6.0 LSX
Transmission: 4L60E
Axle/Gears: 9 Bolt 3:27
Re: First question about my LSX swap.

I was thinking of going with this. http://advanceadapters.com/product/3741/712500A.html

I saw in the latest Carcraft somebody used a kit from Hugh's that worked.
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Old Jun 26, 2010 | 05:16 PM
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From: Midvale, UT
Car: 1991 RS
Engine: L03
Transmission: T5
Axle/Gears: 4.11
Re: First question about my LSX swap.

Its not really a matter of lengthening or shortening the drive shaft, but rather the input shaft has a different spline I believe is what BlueZee is saying. (correct me if I'm wrong here Blue)
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Old Jun 26, 2010 | 05:16 PM
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From: O'Fallon, MO
Car: 1991 Z28 convertible built 3/1/1990
Engine: Cammed 6.0L LSX
Transmission: T56
Axle/Gears: custom Ford 8.8", 4.10 gears
Re: First question about my LSX swap.

With a 700R4 or 4L60E you can use th stock drive shaft. I don't think it would work with a TH350 though, you would need a different length.

And yea, the driveshaft has nothing to do with why the older 4L60E won't work with the block.
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Old Jun 26, 2010 | 05:21 PM
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From: Macedonia ,OH
Car: Formula
Engine: 6.0 LSX
Transmission: 4L60E
Axle/Gears: 9 Bolt 3:27
Re: First question about my LSX swap.

I'll see what happens. Trans and converter ran me 2K last year. Hate to get rid of them with only 400 miles on it. So the adapter kit wont work then?
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Old Jun 26, 2010 | 06:36 PM
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Re: First question about my LSX swap.

Use the standard crank adapter that retrofits older auto transmissions on to it. If your LQ4 is 99-00 you dont have to worry about this

The input shaft is shorter on older transmissions so dont confuse them. The adapter is simply a bushing to accept the converter snub to keep it centered

95+ 4L60Es all use the same electronics so you wire it in the same
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