transmissions 700R4 vs 4L60E
Thread Starter
Le Mans Master
Joined: Sep 2006
Posts: 6,050
Likes: 147
From: Phoenix AZ
2021 C4 of the Year - Modified Finalist
transmissions 700R4 vs 4L60E
What's the difference between the two transmissions?
Can they be interchangeable on an 86? Or is the 700R4 the only one that works with the ECM?
Can they be interchangeable on an 86? Or is the 700R4 the only one that works with the ECM?
Racer
Joined: Dec 2007
Posts: 450
Likes: 9
From: SOUTH NJ
4L60E is an electronic trans, you will need a computer to make the trans shift.
Any reputable trans rebuilder can make the 700R4 handle as much power as the 4L60E/4L65E, and prob for less $$$
Any reputable trans rebuilder can make the 700R4 handle as much power as the 4L60E/4L65E, and prob for less $$$
Last edited by 84REDCROSSFIRE; Sep 5, 2008 at 01:13 AM.
Le Mans Master
Joined: Aug 2000
Posts: 8,838
Likes: 31
From: Australia
You can run a 7000R4 /4L60 without the ECM; plenty getting around on carb engines Only needs mechanical switch to lock convertor.
4L60E is all ECM control
If you are looking at a 700R4 , get the later one with 30 spline input shaft.Has upgrades over earlier (pre '88 ??? ) models
Racer
Joined: Dec 2007
Posts: 450
Likes: 9
From: SOUTH NJ
http://www.atiperformanceproducts.co...s-computer.htm
http://www.gmpartsdirect.com/results.cfm GM part#12497316
Last edited by 84REDCROSSFIRE; Sep 5, 2008 at 01:36 AM.
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