bluetwo -
FAQ :
http://www.bullydog.com/external/pro..._Sheet_290.pdf
Instructons (what you want) :
http://www.bullydog.com/external/pro...g_inst_290.pdf
It's definitely a luxury Scangauge ($300). It adds curb weight to it's input defaults but ignores gas tank size. Interesting. It also needs more power than the OBDII port can provide, so you have to tap into the fuse box.
CarloSW2