700r4 to 4l60e swap?
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Joined: Sep 2003
Posts: 6,127
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From: conway, s.c.
Car: 1989 Iroc-Z
Engine: 5.7L TPI
Transmission: 700R4
Take the yellow and purple wire from the VSS and run them to pin D4 & E4 of connector C100 and then to the buffer box. There is only one wire going from the buffer box to the ECM and that is at pin "A10" like this picture.
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Supreme Member
Joined: Aug 2001
Posts: 2,136
Likes: 2
From: Costal Alabama
Car: 1989 Iroc-Z
Engine: 350, ZZ4 equivalent
Transmission: Pro-Built Road Race 700R4
Axle/Gears: 3.23 Dana 44
You may be able to get a 4'th gen PCM and use LT1 edit and program it just to control the trans. The stand alone 4l60e controlers are really expensive.
Junior Member
Joined: Jan 2023
Posts: 1
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Re: 700r4 to 4l60e swap?
I was wondering where can I find the VSS buffer box
Member
Joined: Sep 2002
Posts: 253
Likes: 25
From: honolulu
Car: '86MCSS
Engine: 396 .030"
Transmission: M20
Re: 700r4 to 4l60e swap?
Does this help...
https://www.thirdgen.org/forums/tran...gital-sgi.html
Also...with the right truck PCM, it's possible to convert the PCM to batch fire a TPI and control a 4l60E w/ added wiring of course.
https://www.thirdgen.org/forums/tran...gital-sgi.html
Also...with the right truck PCM, it's possible to convert the PCM to batch fire a TPI and control a 4l60E w/ added wiring of course.
Senior Member
Joined: Oct 2021
Posts: 740
Likes: 116
From: Windsor, On
Car: 1984 Trans AM
Engine: 305
Transmission: 700-4r
Axle/Gears: 3.23
Re: 700r4 to 4l60e swap?
Why change from the 700-4R. Good tranny & no messing with electronics and very strong.
I believe that there a few companies that make a controller/computer for the 4L60E or 4L80E.
I believe that there a few companies that make a controller/computer for the 4L60E or 4L80E.
Last edited by 72buickgs; Jan 8, 2023 at 07:58 AM.
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