I've got a 4l60e in my Panel Van project and a 700r4 in my daily driver 1 Tonner. The diff ratio is 3.55:1 in my Tonner and the 700r4 gearing works absolutely perfect with it.
I recently did a shift lever adjustment on the Panel Van to be able to select all gears in the 4l60e with the original Holden shifter. The trick was to drill a new hole for the transmission shift lever pivot point...18mm lower than the the original position. This allowed me to shift between P, R, N, D, 3, 2, 1 in the same shifter radius.
(Edit: I removed the Google pic link and uploaded a couple of jpg's instead)
PXL_20210703_072415763.jpg
Trans Shifter 3 - 4 speed.jpg
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