I have an "off the shelf" Fordchip in my bolt on Tbird and I can honestly tell you that it is perfect.
My blown Bird was tuned by an Autologic tuner, UPR, and it has a lot of issues with transmission function. The a/f is spot on and the motor makes tons of power, but driveability needs some work. I am going to be getting a Fordchip dyno tune as soon as they come to my area.
Fordchip is by far the best tuner available for tuning AODE/4R70W equiped cars.
If you have a 5spd, I would skip the chip right now. If you have an stock auto, between the timing and tranmission changes alone, you should drop ~3-4 tenths off your 1/4 time.
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