Yes another ls swap trans ?
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Joined: Nov 2016
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Yes another ls swap trans ?
I have a 1988 Camaro 2.8 mpfi just picked up an 1999 Chevy truck (5.3 auto ) for $200 my question is how do I use truck wire harnesse to keep efi and to keep 4l60e trans working I have googled and looked for an answer before posting on here lots of good info on how to fit the motor but not so much on transmission or transmission controller It's my first project thanks for any and all help
Joined: Mar 2000
Posts: 43,187
Likes: 42
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Welcome aboard thirdgen.org.
(I moved this to the LTX and LSX subforum)
You say you got a 5.3 truck engine. Did you get the harness, PCM, and 2WD 4L60E with it?
If so, it's basically the same as any LS1 swap. Graft the harness into your chassis harness. Get VATS programmed out of the PCM. You won't have cooling fan control to the best of my knowledge - you may be able to repin the PCM connector and program into the PCM; not sure, didn't try on mine because I had manual fan control.
There's a link in the LS1 swap sticky in the top section of this forum regarding using a truck engine in a 3rd gen LSx swap for more details on the swap.
(I moved this to the LTX and LSX subforum)
You say you got a 5.3 truck engine. Did you get the harness, PCM, and 2WD 4L60E with it?
If so, it's basically the same as any LS1 swap. Graft the harness into your chassis harness. Get VATS programmed out of the PCM. You won't have cooling fan control to the best of my knowledge - you may be able to repin the PCM connector and program into the PCM; not sure, didn't try on mine because I had manual fan control.
There's a link in the LS1 swap sticky in the top section of this forum regarding using a truck engine in a 3rd gen LSx swap for more details on the swap.
Joined: Jul 2006
Posts: 1,279
Likes: 512
From: Rochester NY
Car: 1984 TA (1 stock / 1 custom)
Engine: LG4 / turbo LQ4
Transmission: 700R4 / 4L80E
Axle/Gears: Stock / 3:50 Moser 9"
Re: Yes another ls swap trans ?
There is a lot of good information regarding LS engines in the forums on http://www.ls1tech.com
Joined: Mar 2000
Posts: 43,187
Likes: 42
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Re: Yes another ls swap trans ?
Other small details:
- The 2.8 radiator won't be big enough to keep the 5.3 cool. A 3rd gen V8 will be fine, though.
- The truck 4L60E won't have provision to mount the torque arm. Since you'll need a tranny crossmember anyway, might as well get one with a TA mount built into it (Holley/Hooker just came out with what looks to me like a good unit - a couple of TGO members have used it with no complaints that I recall).