here's an example of how to do it, not the best though.
1987-2001 Jeep Cherokee AW-4 automatic transmission adjustment I'd recomend pressing the pedal, instead of pulling the throttle cable, just because you get more kickdown that way (but barely). theoretically you could leave it pulled out all the way (be biased towards the higher gears) and get better mileage. that's only with stock or ...