97 is problematic when tryin to mod. not really problems, but it is lacking a few features all other years have. 98 has the best stock computer, performance wise. 99 has a good air box, but 00 and up have the best flowing air boxes. 97-98 have the most restrictive. eveything else is the same, just different year vins. so get one with low miles so you can drive it forever. mine has 96,000 and im just starting on the modding, and it loves it. mkae sure the trans is in good order, some go out real easy, some last forever. i think they are good for about 350fwhp before they let go easy and need upgrading.