Car moves left and right on highway when im going 60mph or faster. kinda like bouncing side to side. Is it the tires or what?

 

I have same problem!
I have to do Lots of Over Correcting!
I also notice when car come off from bumps its want to run away
Car very much on Road Crown!
I am gonna have Aligments Checked out
I think my Caster is Out of Wack!

 

I gots the same thing.

 

so is it an aligment that is needed

 

Could be an alignment...

Also, what tires do you have on your car? I know my 275s LOVE to track the groves in the road... I have to fight to drive the car, it's a side-effect of a 10" wide tire...

 

mine did the same and my rag joint was shot to hell
got the rag joint eliminator, hope it fixes it.

 

ok I had the alignment done. car still bounces side to side when im going 65 and up! any ideas, my mechanic has none

 

I have the same problems...

I got the rag joint eliminator as well. nice piece, Steering is tight now but still wonders all over...

I also had the alignment done.. Didnt help...

 

Mine pulled big time when I first got it, replaced an inner tie rod, got new tires and had an alignment and the problem was solved.

 

In an earlier thread, somebody else mentioned the idea that directional tires LOVE to follow the road... and I definitely believe it. In any car that I've driven without directional tires, it doesnt try to follow the grooves and bumps in the road, sports car or not.

 

My 275's are BAD at that...it really sucks...Im having to over-steer in order to keep the car going straight, which can't be good for the tires...

 

My tires are Michelin Pilot xgt z4 p245/50 zr16 m+s. Featuring wide circumferential grooves and a directional tread design

 

I'm thinking ball joints and tie rods most likely...

I got 88k on the clock... still stock stuff. dunno about you guys...

are these pieces user friendly to replace?

 

Same deal.
Aligment is done But its same story

 

Not that this helps, but I have 168,000 miles, car drives straight for miles. I love the way my car handles on the highway.

BTW: I have directional tires. Point being that something is wrong with your cars. Don't just settle with it...