I personnally don't drive flat out all the time, usually cruise around 120mph and the car runs great, RPMs aren't too high to be concerned. I couldn't imagine running around at 150, just too much traffic and curves.

 

I mostly cruise at 80

 

171.

 

Wish I had a Mach 1 those are sexy n stupid fast stock

 

70 with a good tail wind.

 

When I first got my GT Ii went out to a couple mile straight away road in the middle of nowhere and got it to 130-140 ish i wasn't really looking I ran out of road really fast

 

149.04

 

95 or so on the freeway, somewhat accidentally while dodging an idiot in a huge truck trying to change lanes.

No opportunity to go to a track yet.

 

126.

 

My Mustang is so Awesome, she consistently gets to a speed of 67,420MPH, roughly speaking, all the time.

/No, really.
//Seriously. She does.

 

I believe it! haha.

I actually did an indicated 140 on a road with a 35mph speed limit today in my friends Impala with a broken speedometer. haha.

 

Hit 140 hearing to work Thursday morning