Speedometer readings do very per car but my ZR-1 is very close at 185mph, gps verified and also 1 mile challenge verified. It matches within 1-2 mph what the gear charts say I should be doing at that speed.
The variance comes from the tires growing larger at those speeds.
Jayplayss,
I just like to race. I think your right, a stock Z06 would not be a good match for your car but when I saw that you lived in Ft. Lauderdale I couldn't resist. Send me a PM and we will hook up at Towers sometime.
Yea man, we head out there all the time. :beer: