[Mr. Wyndham]

Originally Posted by dlct3

Interested in results and how this turns out... I drive on the street and want to try the track settings for a couple track days, but make the change back to "street mode" for normal use and tire wear. Such a pita having aligned, realigned, etc. Thanks for sharing.

Of course - I'm really interested as well.

We took some very basic measurements with toe plates at the shop the first time we adjusted...and it seemed like the toe went out just as much as it was set "in" when you switched the camber plates...

So we'll see with some high tech equipment.

[Joszer]

I've tracked my car 4 times already and each time I swapped the camber from street, to track, and back to street on the paddock with nothing but one jack, one jackstand, and hand tools. It's not hard to do, you just have to make sure your car is high enough to drop the shock low enough so that when you rotate it, it doesn't get jammed from the fins within the shock tower. Each time I've done it with the tire on the car. The whole processes for both wheels takes like 10 minutes once you get the hang of it.

I never got the car aligned, but I assume that my setting were way off when in track camber. Here are my front tires after 4 track days. I am going to get my car aligned on May 22nd. I am going to have them align it in track mode, and make another measurement once in street mode again. I'll update everyone with the results. Maybe there's a happy medium for both modes.

[URBAN LEGEND]

Originally Posted by Xlr8ion

This topic has been beat to death

Stay out of here then. No gains for you.

[ICTsccaCamaro]

Originally Posted by Joszer

I've tracked my car 4 times already and each time I swapped the camber from street, to track, and back to street on the paddock with nothing but one jack, one jackstand, and hand tools. It's not hard to do, you just have to make sure your car is high enough to drop the shock low enough so that when you rotate it, it doesn't get jammed from the fins within the shock tower. Each time I've done it with the tire on the car. The whole processes for both wheels takes like 10 minutes once you get the hang of it.

I never got the car aligned, but I assume that my setting were way off when in track camber. Here are my front tires after 4 track days. I am going to get my car aligned on May 22nd. I am going to have them align it in track mode, and make another measurement once in street mode again. I'll update everyone with the results. Maybe there's a happy medium for both modes.

I'm guessing you probably have a $%&@ ton of toe out in track setting with that tire wear.

[MeanZL11LE]

Originally Posted by 2010REDSS

Chevy dealer.....got a sharp mechanic there that is the only one that is allowed to work on my car....while I watch.

You're lucky, finding a good dealer mechanic is like a unicorn!

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[MeanZL11LE]

Originally Posted by Mr. Wyndham

It's best to lift the entire front end up at once. jacking up one corner forces the stabilizer bar to resist the strut dropping and can cause it to hang up.

It's convenient you asked this - I've done this before several times.

But I'm having the car aligned twice at Tom Henry Chevrolet this Saturday. We will align it in street mode, and then switch the camber and height adjustments and take a measurement. If it's not right - we're going to re-align it...and then switch back to street settings to see what THAT does.

The camber and toe measurements are dynamic, and change with the geometry of the suspension.

Thanks for the info, I'm using "quick jack" to lift the entire car. I plan on checking toe prior to changing camber and then setting it to GM specs with string box around car. Hopefully this gets the toe set relatively close.

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[MeanZL11LE]

Thanks for the info and pictures. Once I set up the suspension for track I really don't plan on switching back to street settings. The only street driving I will be doing is to and from the track and this should give me even tire wear.

Where have you tracked your car?

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[Sooner Cole]

Very curious where the specs are from the factory. I'm going to be doing my first track day later this month and plan on taking it fairly easy for the first event. I'm wondering if it is worth changing to "track specs" for this first event or just leaving it on factory set up. I tracked my 17 ZL1 many times, so I'm not a rookie, but this will be the first event with the ZL1LE. Also, I will be driving to the event. It is about 75 miles away. Opinions?

[2010REDSS]

Originally Posted by Sooner Cole

Very curious where the specs are from the factory. I'm going to be doing my first track day later this month and plan on taking it fairly easy for the first event. I'm wondering if it is worth changing to "track specs" for this first event or just leaving it on factory set up. I tracked my 17 ZL1 many times, so I'm not a rookie, but this will be the first event with the ZL1LE. Also, I will be driving to the event. It is about 75 miles away. Opinions?

One thing to consider....if you track the car, depending on the track layout and how aggressively you drive, having the car set up with track alignment settings will preserve the tires much more. As in cord your tires way too quickly without a proper track alignment.....

[Sooner Cole]

Originally Posted by 2010REDSS

One thing to consider....if you track the car, depending on the track layout and how aggressively you drive, having the car set up with track alignment settings will preserve the tires much more. As in cord your tires way too quickly without a proper track alignment.....

I think you may be right. Especially with the soft compound GY OEM tires. It makes it difficult if you also drive on the street a lot. Changing alignments back and forth is a PITA.

[2010REDSS]

Originally Posted by Sooner Cole

I think you may be right. Especially with the soft compound GY OEM tires. It makes it difficult if you also drive on the street a lot. Changing alignments back and forth is a PITA.

Yep....I think you might eat the Goodyears in one day on the track without some significant (track settings) negative camber and the right toe.

I don't drive my ZL1 1LE on the street much....Camaro Club car show yesterday for example....so I leave it in track alignment full time. Works for me. YMMV.

[waterman]

Subscribed.

Thanks. Updates and opinions appreciated.

[Mr. Wyndham]

Alright, so here's the initial results from a thorough (triple) alignment process at Tom Henry Chevy (thanks to Ray for his expertise, care, and professionalism!)...I'll post the full readouts as soon as I get home and near a scanner.

My car was aligned damn-near perfectly from the factory @ street settings. Rear camber was too positive, but not a big deal. When the the camber plates were switched from street to track setting, camber went to -2.8, and the front tires toed out by about .25º on each side. We took that toe setting in to Chevy-recommended .05. Your dealer can pull up multiple alignments for the ZL1 1LE.

I did 4 30-minute sessions at the full-course 3.5 Pocono track day, today. Unfortunately, it rained all night, and the morning sessions were annoying. It also means the tire wear was WAY down...But at first glance, it looks like the tires wore pretty evenly through the remainder of the day.

My suspicion is that the added toe out from switching the camber plates is contributing to accelerated wear on the insides of the tires. And Chevy doesn't want that much toe out to begin with...


...More to come....(including some PDR video)

[Mr. Wyndham]

Originally Posted by MeanZL11LE

Thanks for the info, I'm using "quick jack" to lift the entire car. I plan on checking toe prior to changing camber and then setting it to GM specs with string box around car. Hopefully this gets the toe set relatively close.

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WHAT ARE YOUR LIFT POINTS!?!?!?!

I was just trying to do this with my QuickJack on Friday, and I couldn't f#(*^Q#(% figure out where to put the blocks!!

(Can you take pictures for me? Pretty please? )