The computers have a part number on them. Find an A9L or A9P. The A9L is a 5spd computer and A9P is auto, although both will work with a 5spd. The Auto computers I believe had a more aggressive timing curve that provided a little more punch on 5spd cars, but idle can often hang around 1500RPM when you push the clutch in while rolling, until you come to a stop where it falls. Just tradeoffs I guess. I would personally just buy an A9L.Also if I were to go with the stand alone ford racing harness, how do I determine weather the stock ecm is a maf ecm, and is one better then another for a 5 speed application?
probably good to go with a chip or piggyback then. It'd be the quickest way to get what you want. If you're wanting to learn how to tune as more of a learning tool for yourself, you'll probably want a standalone controller, which both you and a tuner can tune with.I planned on getting the car tuned so I would assume that would take care of any limp modes or a cel