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Rear alignment for drag racing

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Old Dec 6, 2020 | 08:45 PM
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Default Rear alignment for drag racing

Ok so I’m looking to hook my C7 at the track and on the street. I’m getting ready to install adjustable rear sway bar and adjustable toe rods.

I’m located in S Florida and need to know the specs on the rear alignment for my car.

Any tips on the AFE/Phadt three way adjustable sway bar ? What position for drag racing ?

Thanks !!

Last edited by 123sugey; Dec 6, 2020 at 08:53 PM.
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Old Dec 7, 2020 | 08:19 AM
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I would set it up like I did my Camaro, set the rear up at 0 camber. I don't know what the actual rear specs are on the Corvette compared to the Camaro but I'm sure the Vette has negative camber as that makes them corner more aggressively. I have pictures of my car early on and you can see how much more negative the rear goes on launch.

This is the stock alignment from the factory 2017

Eaton Throw down at Atlanta 2019 with 0 camber. Also pulling the left front tire off the ground just a little.

Last edited by 99vetteran; Dec 7, 2020 at 08:20 AM.
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Old Dec 7, 2020 | 08:58 AM
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Originally Posted by 99vetteran
I would set it up like I did my Camaro, set the rear up at 0 camber. I don't know what the actual rear specs are on the Corvette compared to the Camaro but I'm sure the Vette has negative camber as that makes them corner more aggressively. I have pictures of my car early on and you can see how much more negative the rear goes on launch.

This is the stock alignment from the factory 2017

Eaton Throw down at Atlanta 2019 with 0 camber. Also pulling the left front tire off the ground just a little.
Camaro looks great !!

Need to keep the tires planted and flat on the launch. My DR’s wear on the inside way too much

Thanks for the info
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Old Dec 7, 2020 | 09:09 AM
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For sure, I was seeing inside wear on the drag radial and when we did the BMR suspension in the rear I decided we needed to set the rear alignment up to fix issue. Actually I think we set it up as a 1/2 degree positive and not zero since I didn't drive it on the street at that time. I always laugh a little when people want a 1000 hp street car, I can tell you that mine made over 850 and it was not safe with street tires and even when I ran the drag radials on the street to log my tunes it was still to much for the street. These IRS rears really go negative on the launch and I did see a flatter pattern on the tire wear.

Last edited by 99vetteran; Dec 7, 2020 at 09:12 AM.
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Old Dec 7, 2020 | 09:27 AM
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Originally Posted by 99vetteran
For sure, I was seeing inside wear on the drag radial and when we did the BMR suspension in the rear I decided we needed to set the rear alignment up to fix issue. Actually I think we set it up as a 1/2 degree positive and not zero since I didn't drive it on the street at that time. I always laugh a little when people want a 1000 hp street car, I can tell you that mine made over 850 and it was not safe with street tires and even when I ran the drag radials on the street to log my tunes it was still to much for the street. These IRS rears really go negative on the launch and I did see a flatter pattern on the tire wear.
Nice 😎
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Old Dec 7, 2020 | 02:34 PM
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Originally Posted by 123sugey
Nice 😎
Now to find a good alignment shop for vettes !!!
Let me know please.

Pitt
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Old Dec 7, 2020 | 04:10 PM
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Originally Posted by pit-man
Now to find a good alignment shop for vettes !!!
Let me know please.

Pitt
I will
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Old Dec 13, 2020 | 11:51 AM
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Originally Posted by pit-man
Now to find a good alignment shop for vettes !!!
Let me know please.

Pitt
I completely forgot about Redline out of Pompano ... the same guys that work on my vette 😉

https://www.redline-motorsports.net/chasis-setups/
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Old Dec 13, 2020 | 11:53 AM
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Just painted the toe rods to match the sway bar



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Old Dec 13, 2020 | 12:39 PM
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Originally Posted by 123sugey
I completely forgot about Redline out of Pompano ... the same guys that work on my vette 😉

https://www.redline-motorsports.net/chasis-setups/
Thanks, I know of Redline...very good shop

Pitt
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Old Dec 13, 2020 | 12:41 PM
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Originally Posted by 123sugey
Just painted the toe rods to match the sway bar


That is smart to do all of that prep work...then you will never need them. Murphy's Law...lol
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