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Update:
After a couple of highway trips I still had a slight "drift" to the right. I visited my dealer with GM document ID: 3971340 that has the revised 2015 alignment numbers for Corvette. (I cannot find the post that had it in a printed format). Their alignment rack computer did not have these numbers yet.
Bingo, that seemed to do the trick. Nice neutral wheel again.
FYI, mine is a '14 so don't let the '15 throw you. The service adviser pulled up the document on his computer in seconds so you don't need to find the printed one.
Last edited by John Ulrich; Jun 3, 2015 at 05:47 PM.
There is no way the electric steering system is going to fight the driver to center itself. The electric alignment is accomplished by setting the wheels at center - the steering wheel is then calibrated at center to match the wheels.
How far outside the original specs did they have to set the alignment to get it to steer straight?
The only change I see is left camber is -0.2. & right at -0.5 vs the earlier -1.1 to 0.1 for both sides. The tech set it right on the numbers vs within a range.
I would also check ride height. I had a car that would not track straight and the problem turned out to be the car leaned in the direction of the drift.