So I put some used 2k2s on my car. What I did was put the two wheels with more tread in the front and put the wheels with less tread on the back. Nopw I'm having a vibration at highway speeds. What's the best thing to do?

 

Go get the wheels/tires balanced...

 

Alright I'll do that. Do you think this is most likely the problem? Or do you think its the tires? just wondering

 

Have the tire shop look at the tires for you,one of them my be out of round..

 

I had the same problem when I switched my tires. It was
one of the belts had slipped. I got a new tire and it was
good to go.

 

It's probably the tires, but I found that if I overtighten the lug nuts, it tends to vibrate. Use a torque wrench.

 

time... when i rotated my tires i have vibration at high speeds.. just give it time to let the wheels even out and such.. thats my guess

 

I have vibration at 65 on the highway, I'm getting new tires this week-end so I'm hoping that will help?

 

balancing them is the first thing I would do.

 

Also noticed the car slightly goes to the right when I'm not holding the steering wheel.

 

I suggest that you check your tie rod ends & ball joints, then take your car in for an alignment.

 

same thing happened with my brand new 17s. probably just need balanced correctly...and an alignment might help.