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FWIW I recently had my 2013 427 Anniversary into the dealer for oil change. While I was talking to the Corvette tech he asked if I ever tracked or raced the car? I said no and asked why he asked. He said my car was set up for aggressive driving at the factory and if the car was mainly used for street driving I could get better tire wire by changing the alignment settings/camber. I told him I would think on it. These tires are expensive and I am in no hurry to buy a new set and remember from my street rod days that altering factory settings may have unintended consequences. Maybe not so much for alignment but I like how my car drives and at this point considering the limited number of miles I drive a year I am going to leave well enough alone and keep her as she was set up at the factory.
Last edited by Nice Ride; Apr 16, 2018 at 12:19 AM.
The PFADT settings for my base C6 are tighter but still within the factory settings. I wore a front tire to the cord on the inside but the alignment was still within the factory settings.
I think the factory settings are too loose. Hopefully PfADT will help tire wear by being more precise.
I got the PFADT alignment with my latest tires (third set) and tread wear is best but not perfect. Original OEM wore front on both inside sholders; right more than left. Realigned for second set (Toyo) but still wore right front inside. Got Pfadt with my 3rd set (BF Goodridge). Right front continues to wear most but spread over inner half of tire as opposed to on inner shoulder as previously. Some wear spread over inside half on left front too. Rear always even. Best mileage with Pfadt but that could be the harder BFG rubber.
Front inside wear appears to be a given so I'm living with that now. However, I do not like the constant ever so slight pull to the left.
Last edited by johan gouws; Apr 16, 2018 at 10:03 AM.
For the 1000th time PDFAT didn't create the specs they use. They just use GM specs when set to dead center and try to take credit. Here is my 2013 GS set to dead center GM specs, do they look familiar?
jeezus, what a jack wagon. I assume by "dead center GM specs" you mean set it to the spec without variance. However, having said that, Z51 specs are more aggressive (read that wear tires faster) than base specs. GS specs are the same way.
If it is a normally driven car set the alignment to base specs exactly.
Thanks everyone for your comments and suggestions, I got the alignment and new tires mounted today, the tech did a Great Job. Shop guys took extra care to make sure everything was right, even to the point they put a cover on the steering wheel not to get it dirty. couldn't ask for better service. They also let my come into the shop while the work was been done to keep an eye on them.