http://www.v6power.net/vb/showthread.php?t=5716
Check out this site if you haven't already...The headers will work, and from what I read the ignition should work, its just mounted in a different location...As far as a tuner, anything will probably work, so SCT will be good and a lot of people get them so it must be a quality product....I just bought a supercoupe swap kit also but I won't be able to put it all on until spring break or so which is in a month. I haven't even seen it yet, so I can't be that much help, but that site is very thorough.
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96': Rebuilt 3.8, Hurst short throw, eBay CAI, Taylor wires, Eibach Sportline Springs, Tokico shocks, Steeda C/C plates, ASP udp, H-pipe dual exhaust w/ Flowmaster 40 Series