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Old 05-03-2009, 08:33 PM   #6
piecesparts
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Join Date: Nov 2003
Location: Lebo, Kansas (middle of nowhere
Posts: 6,821
Re: Thinking about the 5.3 swap in my 86.

Quote:
Originally Posted by Walts_restoration View Post
I was just going to do a stock gm cam from an ls1 or ls7, but i understand what you mean. I guess a tune will need to be in plan, we have a local shop that should be able to do it, if not a local guy and buddy of my dads has swapped a few ls2s in early camaros, so i need to talk to him about it.

Are the 4l60es and 700r4s the same outside? like lengthwise? I know the 4l60 is a bigger brother of the 700r, didnt know if they were the same case roughly. I have a np208 t case, so the newer trans should bolt up just fine.

The 4L60E IS the 700 R4 with a computer input to shift and control it. They are basically the same tranny in size and capability. The 4L80E is a heavier duty tranny and it is the computer controlled equivalent of a TH-400 tranny. From there you start going up in duty ratings to 4l65E trannys and more.
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