Seeing how I'm sorta in the same situation. Yes the 97-98's ECM's have their quirks. Most from what I've been told is it needs the MAF sensor to make
Ligenfelter has a 58x reluctor wheel to 24x ecm converter but nothing I've seen that goes the other way.
It would be cheaper just to pull
Yes, reads 57psi, new Racetronix pump, fuel filter and Bosh 13111's O2 senors too.
Also forgot to add in 1st post.
Interesting... curious to know what the issue is. Certainly sounds like a fueling issue. Do you have a gauge on your fuel pressure?
Copy and paste all of that into a post on Southwest Trans Am. I'd be interested to hear what a few of them would say.