sonoraed wrote:700R4's shift points are dictated by the TVR cable and proper adjustment is critical,4L60/80 shifts point are controlled by the pcm and can be programmed to perfection,btw you would have to use a LS engine that is drive by cable
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700R4 is a 4L60. The computer version is 4L60E. 4L80s are pretty rare and mostly behind diesels. The rest are 4L80Es. Just to avoid future confusion. The Chevy site guys yell at "newbs" that can't tell the difference.