Originally Posted by ss346ci
I have a 2000 SS with 275/40zr17 kumho ecsta asx tires all around on the stock 17x9 ZR1s, and after taking a wheel/tire combo to hibdon's for a flat repair, I noticed that the rears are both wearing more in the center signaling an overinflated condition. I run all four corners at 30psi as per the gm sticker. What's the best rear pressure for the street?
No way should there be a problem at 30 psi. Get a new quality
tire gauge and see the probable difference. Some cheap gauges can be way