I found some nice used 03-04 2v motors. Was wondering if i could swap them directly into my 1998 gt with no major problems. I know someone out there has done this so lemme know whassup please.
I have a 04 motor in mine, drop it in, use your 98 harness and reflash it with a hand held and your good to go.
Yup. What he said. I have a '04 Motor in mine as well, pretty straight forward swap, I used my original timing cover and coil packs, I had to play around with the second coolant temp but other than that no problems or issues. I didn't tune mine for a little while, I'm pretty sure its "safe" untuned. Good luck with the swap.
Ps- The '04 motor along with LT's and a few other bolt ons made a world of difference.