Max lift is a debated issue....some sources say .450", others say .470"-480". Myself, i have no clue what the max lift is, but i would proably stay it safe and run about .450" or less.
For your 700R4, i would look for a '87 or newer model. In '87 they made alot of changes to the tranny, and beefed it up quite a bit. The older modles are supposed to be weaker and more finicky. They used the 700R4 up to '93 i think, and some models were called the 4L60. After '93, the tranny was converted to computer operation and became the 4L60E.
Good luck!
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'72 Chevy C10 Mild 350/TH350/3.07. Ochre/White. Old high school ride.
'70 GMC C2500 '62 327 4bbl/SM465/4.56-geared Dana 60. White/White. Project or parts truck.
'97 Saturn SL DD. 1.9/5-speed. 40+ highway mpg
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