Quote Originally Posted by Ruiner
#1, just because your speedo indicates "175mph", that doesn't mean that you are doing 175mph. The faster you go, the more off most speedos become.

Ruiner is right. My ECU speed is different from my speedo after about 65 mph. The faster I go, the worst it gets. As far as I can tell my ECU is dead on. Damn i love my data monitor.