Rims and ture scraping back when there's weight in the back seat or any kind rough road I hit the rear are scraping the back

Asked by Apr 17, 2017 at 02:57 PM about the 2012 Chevrolet Impala LS

Question type: Car Customization

I have a 2012 Chevy Impala I change the factory 16 inch rims to 20 inch rims tire size
255/35ZR 20 97Y and now when there's wait in the back seat or I go over any type of
bumper anything rough on the street the back of scraping the tires do I need a smaller
Tire or should I lift a vehicle what should I do

6 Answers

85,595

Change the wheels and tires back!

105,285

You need to find out where they are rubbing, if it is the outside then you can get away with rolling the fenders up and out or cut them out. If inside, then you have some choices, heavy duty springs or air shocks than you can add air to when loaded and let it out when running normal loads, completely tub the rear of the vehicle, making new fender wells for the rear wheels. Personally I would go with air shocks as it would be the cheapest and easiest way to go, and it also might help if the tires are rubbing on the outside of the fenders too. Just remember to let the air back out to recommended when unloaded or you could start cutting off the front tires due to an alignment issue.

85,595

Air shocks are not recommended for lifting cars to clear big tires. They can fail and cause tire/body damage. I would go back to stock or maybe 17" wheels and tires with tires 10-20mm wider than stock but about the same diameter.

105,285

Air shocks were all we ever used back in the day to raise the rear ends up to clear larger tires on our muscle cars.

85,595

I did the same and suffered the consequences. One day my 67 Firebird convertible had all the air shift to one side which cut up the tire and messed up the wheel arch trim. What can I say - young and stupid.

105,285

Man I never had any problems with my system, I used Gabrieal HyJackers, I think everyone on our track was using them.

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