JETSET700

I have an early production 98' Trans Am that has problems with the controller.
I have known that the 98' in the odd duck, but have since found out that there are three variations of controllers in the 98' production cars, mine being the earliest and most rare. Can the controller be swapped out for a better choice without serious mods to the harness? A faulty AC Delco electric fuel pump replacement had an internal short and damaged the ECU. Any opptions that I have would be appreciated.

Zach-R

There is a how to on this site for installing a 99+ecu into a 98. It requires repinning the ecu comnections. Seems easy enough.

JETSET700

Is this the way to go and does it give me a better setup for a future engine build . I would consider a swap to a GEN IV engine as a possibility as it is a high mile car.

Zach-R

I have not done this yet in my 98 but I plan on it. I think the biggest advantage is the later model ecu's have more and better tuning potential.

2xLS1

iTrader: (25)

There were several different calibrations used in the 98 model year but the PCM hardware was all the same. Any of the different calibrations can be programmed into the same service # PCM. And you wouldn't be able to tell the difference between any of them as long as the transmission type and rear gear ratio matched what is in your car.

Mad Machine

So doing this would allow me to use flash tuners designed for 99-02 f bodies?

Zach-R

I would like to think so. I'm not an expert and have not done the swap yet.

01WS6/tamu

iTrader: (37)

If it's dead and you plan on modding the car or doing any amount of tuning. Then install the 411 pcm repin the harness and flash the pcm for a 2002 F- car with a auto or stick whatever your car is. 02 flash gives the car the latest hardware and software updates GM offers then you can use HP tuners etc to do all the programming. You'll need to have the tuner tinker with fuel gauge calibrations to get it reading correctly

Don't waste your time with POS handheld canned tune tuners they are crap take the car and get a custom dyno tune done and it will run the best in the long run