98HossGT

i was wondering if i would need to anything for this swap to work.

i.e. wiring harness or the computer or anything at all would help

Sxynerd

All you need is the motor...

You have to use the 98 wiring harness and yes that means keeping the Non-coil on plug setup. (which I think is better anyway) I did the same swap last year. You wont need a tune but you'll get better/more MPG/HP if you have the correct fuel maps loaded into your ecu for the more efficient heads. You'll have to buy a new clutch so don't forget that, like I did. ANd at the last minute had to throw in a cheap Autozone one... After the swap with the basic bolt ons that I have I made 261rwhp... Good luck with it. Feel free to PM me if you have any questions along the way.

Mike

98HossGT

sweet thanks. ive never swapped a motor though(only a headswap on a v6 stang and a 5.0), and i just put a new king cobra clutch in about 1.5k miles ago, took me, my dad and a friend only 2 nights

nice car by the way

Sxynerd

The reason you'll need a new clutch is because you have a romeo NPI 11" clutch and a 99 is a windsor w/ a 10.5" clutch and has a different bolt pattern than the romeo for the flywheel. I think it's like 8 bolt vs a 6 bolt pattern. I had just put in my clutch about a month earlier when I decided to swap the PI motor in. Also make sure the 99 motor comes with the flywheel or that'll be an added expense not planed on.

98HossGT

well that sucks, this 99gt is an auto by the way

Sxynerd

Damn That does suck