WTF my car shakes at 60mph!!!! Options

[mrgrape]

k so recently i put my car up on the lift during auto tech in high school to
identify front and back suspension and check brakes
after that i rotated my tires and put the tires back on
accidently i torque wrenched one too much
after up on the lift, when i go to 60mph my car starts shaking like it does normally at 90MPH
so im like **** and only drivee 50 mph on freeway thus getting honked or stared at....
whats the problem????
is it b/c of tires or something else?

[MaskedMan]

It is possible that there is a dynamic imbalance on your tires. You may have had a tire in the rear which was dynamically imbalanced to begin with, but you only noticed it at higher speeds because it was in the rear. Now that it is up front, you feel it earlier. If you're in auto tech, I'm sure they taught you the symptoms, causes and remedy for this.