2019 Z06 track alignment changes
Thread Starter
Melting Slicks
Joined: Jun 2016
Posts: 2,845
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From: Eastern WA
2019 Z06 track alignment changes
Looks like we no longer remove washers to go from street to track. See instructions at link. Has anyone with a 2019 made the adjustment to -2 at all four corners? I am wondering if we can add washers to go back to street from the track setting?
http://www.corvetteconti.com/blog/wp...ck-prep-gm.pdf
http://www.corvetteconti.com/blog/wp...ck-prep-gm.pdf
Last edited by djnice; Jun 3, 2019 at 02:46 AM.
Sr.Random input generator
Joined: Jan 2008
Posts: 7,811
Likes: 2,236
From: Sammamish, WA
Well, not answering your question, but I removed the existing washer as well from my '19 Z06 (replaced them with thin shim), and hit -2.7 max camber on one side (the other side could have more). Later, dropping front height by 7mm allowed me to hit -3 camber on both sides.
Depending on what kind of tires you use, -3 / -2 F/R seems to perform better.
Depending on what kind of tires you use, -3 / -2 F/R seems to perform better.
Last edited by X25; Jun 3, 2019 at 06:05 AM.
Thread Starter
Melting Slicks
Joined: Jun 2016
Posts: 2,845
Likes: 521
From: Eastern WA
I forgot your build thread dealt with a 2019. I will go back and check that out.
I thought it was interesting that the GM instructions from 2017 to 2019 changed. Here is the 2017 instructions...remove front washers as compared to 2019...don't remove washers.
https://my.chevrolet.com/content/dam...tion-guide.pdf
I thought it was interesting that the GM instructions from 2017 to 2019 changed. Here is the 2017 instructions...remove front washers as compared to 2019...don't remove washers.
https://my.chevrolet.com/content/dam...tion-guide.pdf
Former Vendor
Joined: Apr 2019
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And to Bruno, I have heard some very strange rumors that the grand sport and zr1 are the same, but they are different than the z06, they are done differently than the z06 in certain ways.
I literally argued with the person who told me this, and the person is closer connected to GM than I am, but they were very adamant. It did not make sense to me, and I could not get an answer out of him why GM would do things differently on the grand sport vs the zo6. The conversation was about the suspension and its specific tune.
Last edited by bbbvettes.com; Jun 3, 2019 at 02:06 PM.
Tech Contributor
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I believe this is the case.
And to Bruno, I have heard some very strange rumors that the grand sport and zr1 are the same, but they are different than the z06, they are done differently than the z06 in certain ways.
I literally argued with the person who told me this, and the person is closer connected to GM than I am, but they were very adamant. It did not make sense to me, and I could not get an answer out of him why GM would do things differently on the grand sport vs the zo6. The conversation was about the suspension and its specific tune.
And to Bruno, I have heard some very strange rumors that the grand sport and zr1 are the same, but they are different than the z06, they are done differently than the z06 in certain ways.
I literally argued with the person who told me this, and the person is closer connected to GM than I am, but they were very adamant. It did not make sense to me, and I could not get an answer out of him why GM would do things differently on the grand sport vs the zo6. The conversation was about the suspension and its specific tune.
In any case. All c7s have the same control arms and suspension travel (not the the extreme compression a base model may see). And their static heights aren't that different.
My z51 didn't require any front washers to be removed stock or with Z06 springs to attain those camber numbers. Def required 1 removed on the rear.
Sr.Random input generator
Joined: Jan 2008
Posts: 7,811
Likes: 2,236
From: Sammamish, WA
They tuned (developed) ZR1 suspension in 2017 per the related ask Tadge thread. At the time, they have come up with a much better MRC tune, and ended up using a part of the same new calibrations on 2017+ GS and Z06 as well. Since 2015/2016 did not have these calibrations, GS was tuned more similar to ZR1 than Z06, at least for those built in those years. Could this be what they're alluding to?
I've also heard they used one shock for all ZR1s unlike Z06/Z07.
In any case, as you know, the tunes are all up to date and similar for 2019 of all Z06/ZR1/GS, or if you get it updated for $350 at the dealer.
I've also heard they used one shock for all ZR1s unlike Z06/Z07.
In any case, as you know, the tunes are all up to date and similar for 2019 of all Z06/ZR1/GS, or if you get it updated for $350 at the dealer.
Last edited by X25; Jun 3, 2019 at 02:29 PM.
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The Feb 2016 TSB (TSB #16-NA-056) telling how to do the track alignment did have different instructions about removing the spacers on the Z51 and Z06. For the Z51 the instructions said to remove one spacer from behind the dog bones on the front and rear UCAs. For the Z06 it said to remove one spacer from behind the dogbones on the front UCAs. When I looked at my 15 Z06 it had two spacers behind the front UCA dog bones and only one spacer behind the rear UCA dog bones. Supposedly Z51s came with two spacers between the dog bones and the frame. I always suspected they wanted a minimum of one spacer between the dog bones and the aluminum frame.
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