Air/fuel, oil press, temps. Jut depends. What on what you want to monitor. I'm gonna get those sometime.
2003 GT - full bolts ons, suspension, and drag radials
1998 cummins - 150hp injectors | FASS fuel kit | 4" straight pipe | 5" lift | BHAF | 20" wheels | edge juice w/ attitude | built auto trans with stall | closing in on 900tq | bigger turbo soon..
Follow me on instagram @nicknold for car and truck pictures