The tranny mount is on the left side, but I dont see that causing that issue. The only other thing that popped in my head would be something wrong with the tire itself. Obviously the quick way to prove whether or not that is the case is to swap the tire to the other side and see if the issue follows.

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Scotty Hall
Bartlesville, OK
2001 Pontiac Grand Prix GTP
It whines a lot, but I like it.

The only limitation you will ever face in life is yourself!