If you want to change shift points on our cars, you have to do it in the tune.
I spent more time on shift points than anything else; there's a lot of variables.
If you want to do that, you need the PRP setup; you won't be able to afford that many tunes, lol.
I don't drill plates these days, They make a version of this for all years: (This is for 00+)
That has all the mods already.
Replace the 1-2 piston, and any broken springs. Purple and blue seem to be popular.
Replace the 2-3 piston. the rubber will be hard.
Check the bore for the od piston, you may need the sonnax fix for the bore.
My car gears up and down like a manual.
Red '96 Cougar XR-7 240k mi. '02 4R70W, PST DS : '03 PI engine, 04 maf, 24lb injectors, 2.5" exhaust, '02 4r70w + Jmod, DirtyD0g TC + cooler + 3/8" lines, 255 walbro fp. Alpine system.
Black '96 Cougar XR-7 (Lazarus) 210k mi PI Intake, '02 4R70W, Jmod, PST DS, GrogTune, Konis, Mark LCA+Poly, racecougar Custom Engine Chain, and JL and racecougar Bracing.
Black '97 Tbird Limited Edition, '02 4R70W, 255 walbro, PST DS, PBR Brakes&SS lines, Toicko Blues & Springs, GrogTune.
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