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2011 Grand Sport Alignment Issue

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Old May 24, 2019 | 01:41 PM
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Default 2011 Grand Sport Alignment Issue

Hello,
I have searched previous posts as best as possible and was unable to find a solution. I have had my 2011 Grand Sport aligned multiple times and am unable to get rid of the wandering at lower speeds. At higher speeds I had some vibration and I had the wheels balanced again and the car aligned again. I drive the car aggressive and am wondering if anyone has the specifications for an alignment that will eliminate the wandering and any pulling that my car is currently doing. I have an alignment scheduled for Sunday and would like to provide the numbers to the mechanic that I am looking for. I am looking to get the car back to as close as factory settings as possible. The car was super tight and handled well from the factory. It is almost like the car is lost now.
Thanks
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Old May 25, 2019 | 07:58 AM
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What changed to cause your issues? Old tires, bad roads ect can cause wandering issues. When I had my Viper GTS old crappy tires made it pull side to side.
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Old May 25, 2019 | 08:00 AM
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I know a super corvette alignment shop, if you're anywhere close to New Orleans.

Last edited by CJ Willys; May 25, 2019 at 08:00 AM.
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Old May 25, 2019 | 08:21 AM
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Look up Pfadt alignment specs and find a shop that will align to those specs.

Also, wondering can greatly depend on the tires. The factory Goodyears would make my 2011 Grand Sport wonder all over the place. I felt I had to wrestle with the car.

Switched to Michelin Pilot Super Sports and no more wondering even on rutted pavement.
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Old May 25, 2019 | 10:21 AM
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Originally Posted by Cockroach
What changed to cause your issues? Old tires, bad roads ect can cause wandering issues. When I had my Viper GTS old crappy tires made it pull side to side.
My tires got old and worn out. When I bought new tires I asked them to align the car. Either the new tires, the way they balanced the new tires, or the alignment they did caused the wandering and stuff. I put Bridgestone potenza run flat tires on the car

Last edited by wolf3; May 25, 2019 at 12:23 PM.
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Old May 25, 2019 | 10:21 AM
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Originally Posted by CJ ******
I know a super corvette alignment shop, if you're anywhere close to New Orleans.
Thanks and I wish I were. I’m located in Maryland though.
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Old May 25, 2019 | 10:24 AM
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Originally Posted by Spaceme1117
Look up Pfadt alignment specs and find a shop that will align to those specs.

Also, wondering can greatly depend on the tires. The factory Goodyears would make my 2011 Grand Sport wonder all over the place. I felt I had to wrestle with the car.

Switched to Michelin Pilot Super Sports and no more wondering even on rutted pavement.
Thanks I went with the Bridgestone Potenza run flat tires. I kept seeing a link to the Pfadt alignment specs but every time I clicked it, it wouldn’t open. Il try a search for them though.
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Old May 25, 2019 | 11:10 AM
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Originally Posted by wolf3
Thanks I went with the Bridgestone Potenza run flat tires. I kept seeing a link to the Pfadt alignment specs but every time I clicked it, it wouldn’t open. Il try a search for them though.
attached here………….. good luck in resolving your issue
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File Type: pdf
corvette-alignment.pdf (71.8 KB, 312 views)
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Old May 25, 2019 | 11:15 AM
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What alignment shop would be open on Memorial weekend Sunday ?
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Old May 25, 2019 | 12:14 PM
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Originally Posted by 61X
What alignment shop would be open on Memorial weekend Sunday ?
He started it Thursday and wanted to take his time. I did not have an appointment and he was going to fit me in. We didn’t get it driving right and I’m going out of town Monday so he said if I didn’t mind bringing it in Sunday he would just come in and concentrate on doing that and relax and take his time to get it right. Iv had the car to 2 different Chevy dealerships and they did not align the car correctly for sure. So now I’m trying a private shop who has always done well with alignments on my other car. I should say the 2 Chevy dealerships had the car in the green on the alignment machine but the car still drove and handled terrible.

Last edited by wolf3; May 25, 2019 at 12:18 PM.
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Old May 25, 2019 | 12:16 PM
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Originally Posted by rkj427
attached here………….. good luck in resolving your issue
Thank you for the help
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Old May 27, 2019 | 11:27 PM
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IMHO I find that the wider the front tire, the more "darty" the car is. Different tread patterns can track down the road differently, I experience that with each new set of tires.
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Old Apr 14, 2021 | 09:50 PM
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I had asked a similar question recently. Good replies: https://www.corvetteforum.com/forums...1&goto=newpost
Had new alignment done by my local chevy dealer
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Old Apr 15, 2021 | 12:16 AM
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Loose the runrocks and set the alinement using Pfadt specs. 0 toe. No more tramline will drive like a different car. Oh yea roadforce balance the new tires.

Last edited by h8snow; Apr 15, 2021 at 12:17 AM.
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Old Apr 15, 2021 | 11:13 AM
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Old thread, but still relevant.
Wheel alignment settings allow a range that is considered acceptable, and it's easily possible to have all the readings show green on the machine, but the car will still drive like crap.
"Unfavorable stack up of tolerances."
Barring other issues, the tighter those tolerances can be held (side to side), the straighter the car will drive.
Time is money, and most shops performing alignments aren't willing to devote the extra time required to even things out.
Seek out a performance shop, and maybe explain that you're there (spending extra money...) expecting things to be held tighter.
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