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Camber angle

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Old 08-30-2014, 08:18 PM
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kliph
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Default Camber angle

I got my 2010 GS inspected the other day, it passed.

But the service guy said I'm getting front tire wear
on the inside of the tire. He says it's because of the
built in negative camber. He said it is not adjustable.
I understand camber and the handling of the car
in corners and turns. And A-arms and transverse leaf springs.

My question is why can't it be adjusted, at least some.
Thanks, Kliph
Old 08-30-2014, 09:02 PM
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cegusa
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He is completely wrong. Both end of the car are fully adjustable.
Old 08-30-2014, 09:17 PM
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cclive
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He could not be more wrong.
Old 08-30-2014, 09:21 PM
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Judgebull
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Where was the service guy from?...
Old 08-30-2014, 09:47 PM
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red2012
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Run!
Old 08-30-2014, 10:52 PM
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cclive
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Originally Posted by Judgebull
Where was the service guy from?...
Maybe he's from a planet where Corvettes have non-adjustable suspension. Glad I live here on Earth or my tires would have continued to wear badly.
Old 08-30-2014, 11:45 PM
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acrace
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To help you understand . . .

There are two ways to adjust camber. Behind the upper control arm attachment point there are washers. You probably have three or four. Removing them is worth approx 1/4 degree per washer. Then, the lower control arms attachment points are fastened by eccentric bolts. So turning them will get you more or less camber.

This is true on the rear suspension as well.

That's one thing I like about the C5 and C6 Corvettes. With the camber/caster adjustments as well as the spring tip adjusters, you can really dial-in the car to your preferred driving style and usage.
Old 08-31-2014, 12:01 AM
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fireinv38
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Default adjustment

do a search for pfadt street alignment. got mine done with road force balancing. great investment. dealer did all for me.
Old 08-31-2014, 11:28 AM
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Travelor
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Default Pfadt alighment

Got this done about 1000 miles from new and have never been happier. No abnormal tire wear on my Grand Sport.

http://www.pfadtracing.com/blog/wp-c...-9.12.2011.pdf

Old 08-31-2014, 12:50 PM
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kliph
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Originally Posted by Travelor
Got this done about 1000 miles from new and have never been happier. No abnormal tire wear on my Grand Sport.

http://www.pfadtracing.com/blog/wp-c...-9.12.2011.pdf

Thanks for the info.
What do you recommend camber? I do not race my Vette so I don't
need a lot of camber. Do I go by the "Corvette Alignment Recommendations Performance Street" numbers?
Front min -0.7--max -0.9.
And what are the stock numbers?
Thanks again, Kliph
Old 08-31-2014, 02:22 PM
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carpe dm
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Get as close to "0" camber as you can.
Old 08-31-2014, 02:23 PM
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StKnoWhere
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The street specs (0.85) will probably provide best tire life.

Stock specs are included on the David Farmer Alignment page, center of these numbers (0.75) would be the GM recommendation and close to the Phadt recommendation.

https://dl.dropboxusercontent.com/u/...ignment-C6.jpg

Hunter Engineering makes the best (and most fool proof...) alignment equipment so I usually look for a shop with one. The key is to find someone who cares enough to spend some extra time to align close to the center of spec.

Last edited by StKnoWhere; 08-31-2014 at 02:30 PM.
Old 09-01-2014, 07:27 AM
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Travelor
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Yes, I use the Street Performance Pfadt setting.
Old 09-01-2014, 01:24 PM
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Gearhead Jim
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Originally Posted by acrace
To help you understand . . .

There are two ways to adjust camber. Behind the upper control arm attachment point there are washers. You probably have three or four. Removing them is worth approx 1/4 degree per washer. Then, the lower control arms attachment points are fastened by eccentric bolts. So turning them will get you more or less camber.

This is true on the rear suspension as well.

That's one thing I like about the C5 and C6 Corvettes. With the camber/caster adjustments as well as the spring tip adjusters, you can really dial-in the car to your preferred driving style and usage.
What kills the inside of your tires is toe-OUT. Thousands of C6 front tires have died an early death because the car came from the factory with toe-out, or the adjustments drifted pretty quickly. Toe-out also tends to make the car twitchy and unstable at speed.

Toe-IN makes the car more stable, and also tends to counteract the slight inner-edge wear that comes from negative camber. You want just a little, the Pfadt street specs are good except they have the + and - reversed; for most alignment machines toe-In as expressed as +.

Negative camber gives better cornering performance and modest amounts (1.0' or less) have little or no bad effect on tire wear. Again, Pfadt has good numbers.

Old 09-01-2014, 08:37 PM
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kliph
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When I bring it in for the end of the year oil change/ detail
I will talk to him about the camber issue.
Thanks, Kliph
Old 09-02-2014, 12:58 AM
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Dano523
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Better Pfad sheet to print out and hand to the tech since there is no wiggle room.

http://www.pfadtracing.com/docs/camb...t-settings.pdf
Old 09-02-2014, 01:07 PM
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hihoSilver
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My Chevy dealer is scurred. The manager got his alignment guy to come over and tell me why they cant legally change the alignment specs bla bla bla. Vandergriff Chevrolet. Can anyone recommend a place in Ft Worth/Arlington that could align to phadt specs? If not, I will just have to call around different shops and see.
Old 09-02-2014, 02:38 PM
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Originally Posted by hihoSilver
My Chevy dealer is scurred. The manager got his alignment guy to come over and tell me why they cant legally change the alignment specs bla bla bla. Vandergriff Chevrolet. Can anyone recommend a place in Ft Worth/Arlington that could align to phadt specs? If not, I will just have to call around different shops and see.
Don't feel bad about this...an alignment shop is a much better place to have it done than a dealer.
Old 09-02-2014, 08:31 PM
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StKnoWhere
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Originally Posted by cclive
Don't feel bad about this...an alignment shop is a much better place to have it done than a dealer.



Find a place that specializes in alignments, some local autocross or track guys can point you in the right direction. These popped up with a quick Google.

http://texastrackworks.com/

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