My K5 will run 90 on the Parkway without batting an eye.. Wind makes it a little more interesting... Usually try to keep it down around 75, 80...
I did 143 in my Challenger and 157 in a 427 Vette....
I did 143 in my Challenger and 157 in a 427 Vette....

THe funny part was the gas guage you could watch it get lower as the truck went faster.
A group of my buddies and I would run well over 120 late at night. . young/not smart.