Quote:
Originally Posted by JDCinBRL
Recently after the purchase of my '21 ZLE, I noticed a sound to rear of car once I hit 120-130mph on interstate. It sounded as though it was coming from the trunk area. It was almost like the sound of a styrofoam ice chest squeaking. Lifted car and lubed sway bar bushings along with other suspension points. The squeaking sound went away. What I am noticing now is a lack of control floaty feeling on pull when moving across lanes at highway speeds. Tires: F1-3R front, R888R Rear. Tire roll due to mismatched tires was mentioned by a local mechanic who inspected the car after initial purchase. Car seems to hug tight curves very well on back roads. I am leaning to changing the rear tires to 3R but reaching out before I do. I have done the same maneuvers in my previous ZL1 without 1LE suspension with awesome handling. Somethings wrong. It definitely limits my confidence on highway. Any thoughts/suggestions would be appreciated. Thanks
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I would put proper matching tires on regardless what the issue is. Running mismatched tires can be dangerous and certainly does not have a performance benefit.
What is the reason you are running missmatched tires in the first place?