245s are the widest you can fit on the stock 8" wide rims. Go to http://www.tirerack.com and look for the tire sizes you want. Click on a tire and it will give you rim sizes that will work.Wolf12 said:What are the largest tires that I can fit on my 17" stock wheels without having rubbing problems? Currently I have 245/45R17 on and would like to upgrade to a larger tire without purchasing new wheels.
thanks for the responses.
Hey Johnebegoode,johnebgoode said:I have 275 40 17 Nitto DR's for the rear.....no problems.
Understeer is a function of the front tires not having enough traction. The front tires skid forward through the turn instead of gripping and turning like they should. I suspect the car would be much more prone to oversteer if it had proper tires on it to begin with. The all-season tires that pontiac puts on there kinda suck. The traction is horrible when they are cold, and only slightly better once they get warm.Xman said:The car already understeers in the stock set-up. Even though larger tires in the rear will improve tractions turing acceleration, won't they make the car understeer even more?