Get the tune updated to the latest stock tune; this cost me money at the dealer, but it helped.
I looked over the history on the black cougar; I took it to the dealer and had them update the stock tune. There was a tsb, and it fixed some of the issues. The jmod was a major upgrade with this tune.
I forgot about this, and recently replaced the stock tranny in my 97 tbird, and it was still sloppy after the swap.
The jmod and 02 tranny didn't help as much as it should have, but the tune I added fixed everything.
I forgot about the Ford update for the Cougar, or would have known why the upgrade didn't help as much as I expected.
A tune will make a huge difference, but just getting the ford update will help.
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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