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2017 Z06. Is there a MRC calibration upgrade for my car yet?

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Old 01-31-2018, 11:55 PM
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Stp94
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Default 2017 Z06. Is there a MRC calibration upgrade for my car yet?

I am hearing of these new numbers being posted at VIR, etc in the C7 and it seems they are attributing the improved numbers in large part to the new MRC calibrations. My question is, is my 2017 Z06 loaded with the most recent calibration from factory or is there and update out there I should look to purchase prior to track season?
Old 02-01-2018, 08:45 AM
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mallett435
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Originally Posted by Stp94
I am hearing of these new numbers being posted at VIR, etc in the C7 and it seems they are attributing the improved numbers in large part to the new MRC calibrations. My question is, is my 2017 Z06 loaded with the most recent calibration from factory or is there and update out there I should look to purchase prior to track season?
Check the Tadge section for the GM response. 2019s will have it. I believe 17s and 18s not available until sometime in Q1.
Old 02-01-2018, 09:21 AM
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MX60GUY
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Originally Posted by Stp94
I am hearing of these new numbers being posted at VIR, etc in the C7 and it seems they are attributing the improved numbers in large part to the new MRC calibrations. My question is, is my 2017 Z06 loaded with the most recent calibration from factory or is there and update out there I should look to purchase prior to track season?
Yes. 2017 Z06. Just had mine done at Criswell. Worth it.
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Old 02-01-2018, 09:33 AM
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saleen556
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Originally Posted by MX60GUY
Yes. 2017 Z06. Just had mine done at Criswell. Worth it.

What difference do you see on the street? Is it $350?
Old 02-01-2018, 09:56 AM
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MX60GUY
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Originally Posted by saleen556



What difference do you see on the street? Is it $350?
I think the ride is much better in all modes. Much less punishing over bumps and flatter in corners.
I havent really pushed it much because of the the weather here.
Yes $350 and worth it
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Old 02-01-2018, 10:14 AM
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saleen556
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Originally Posted by MX60GUY
I think the ride is much better in all modes. Much less punishing over bumps and flatter in corners.
I havent really pushed it much because of the the weather here.
Yes $350 and worth it
Thanks for the info. I will have it done when I get my next oil change.
Old 02-01-2018, 09:30 PM
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Originally Posted by saleen556


Thanks for the info. I will have it done when I get my next oil change.
Ditto, going to do with my next change to the 0-40 oil
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Old 02-01-2018, 09:36 PM
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Stp94
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Awesome! Thanks for the info!
Old 02-09-2018, 02:51 AM
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TorchRedZ
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Originally Posted by MX60GUY
Yes. 2017 Z06. Just had mine done at Criswell. Worth it.
Was this 2017 Z06 with or without Z07 package? I have not been able to find the part number for 2017 w/Z07. Thanks.
Old 02-09-2018, 05:15 AM
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Originally Posted by TorchRedZ
Was this 2017 Z06 with or without Z07 package? I have not been able to find the part number for 2017 w/Z07. Thanks.
The part number was not on the invoice. I do not have the Z07 package
Old 02-09-2018, 07:29 AM
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Plan on doing it at the 500 mile oil change along with an alignment.......
Old 02-09-2018, 08:27 AM
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Originally Posted by MX60GUY
The part number was not on the invoice. I do not have the Z07 package
My dealer says the 2017 with Zo7 package is not out yet.
Old 02-09-2018, 10:10 AM
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Originally Posted by TorchRedZ
Was this 2017 Z06 with or without Z07 package? I have not been able to find the part number for 2017 w/Z07. Thanks.
GM released a memo to dealers on 31 Jan on MRC calibration...it noted that 2017 Z06 with FE7 will be available end of Q1 2018.
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Old 02-16-2018, 11:18 PM
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Guys what shall I tell my dealer to look for in the systems in order to find this tune upgrade? I’m outside the US...
any part number or bulletin?
Old 02-17-2018, 09:49 AM
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Originally Posted by demasterz
Guys what shall I tell my dealer to look for in the systems in order to find this tune upgrade? I’m outside the US...
any part number or bulletin?
Lots of information in this thread:

https://www.corvetteforum.com/forums...e-from-gm.html
Old 02-19-2018, 07:33 AM
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Do I need to do this for my 2018 Z06?
Old 02-21-2018, 12:06 PM
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Toddiesel
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Originally Posted by JJWVETTE
Do I need to do this for my 2018 Z06?
According to the link in the previous post, yes. Or at least you will be able to at the end of the quarter.

Last edited by Toddiesel; 02-21-2018 at 12:07 PM.

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To 2017 Z06. Is there a MRC calibration upgrade for my car yet?

Old 03-06-2018, 04:38 PM
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Toddiesel
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I got this done last week for my 16 Z06 and I have to say I can't tell the difference. At all. The way people are talking about what a "massive" difference it is, I was expecting to at least notice it, but whether I'm in touring, sport, or track, I see no difference. I can take on ramps at the same ~1.0g in track with the same amount of roll; i feel the dips, bumps, and potholes the same amount in touring and sport, same amount of nose dive under hard braking in sport/track (granted it was minimal before, but it's not any different now)... It's like I went to the dealership and said "can you guys borrow my car for the day and I'll pay you $500 for it? Oh and make sure it collects a TON of pollen in the process. Thanks!" Unless you're Randy Pobst, I would STRONGLY recommend you NOT get this update as it's a complete waste of money.
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Old 03-06-2018, 05:31 PM
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Originally Posted by Toddiesel
I got this done last week for my 16 Z06 and I have to say I can't tell the difference. At all. The way people are talking about what a "massive" difference it is, I was expecting to at least notice it, but whether I'm in touring, sport, or track, I see no difference. I can take on ramps at the same ~1.0g in track with the same amount of roll; i feel the dips, bumps, and potholes the same amount in touring and sport, same amount of nose dive under hard braking in sport/track (granted it was minimal before, but it's not any different now)... It's like I went to the dealership and said "can you guys borrow my car for the day and I'll pay you $500 for it? Oh and make sure it collects a TON of pollen in the process. Thanks!" Unless you're Randy Pobst, I would STRONGLY recommend you NOT get this update as it's a complete waste of money.
FWIW, I'll add my 2 cents. I had a 2014 Stingray Z51 that I had one of the local Chevy dealers do the MRC update for the $350. After the update, although it seems to handle a little better, it rode harder than before the update. I drove it for 400 miles just to be sure and then it was so unpleasant with tour feeling like sport and then some before update, that I told the dealer to put the original software settings back in. They charged me an additional 350 PLUS 1 hr of labor for a total of 860. Nice huh.

An email to Mary Barra did get the ball rolling to resolve the issue, but the dealership dragged their feet and I won't bore you with the details, but in the process of getting this mess fixed, I found an excellent condition low mileage one owner 2016 Z06 that I traded the Stingray for.

So after driving the Z06 for about 600 miles, my impression of the stock non updated ride is, it reminds me of my 2008 Z06. Great handling although some tram lining due to the wide tires, but unless one is on a smooth or slightly rough road, it rides like a buck board when encountering the usual pot holes, broken or patch pavement etc. As forum member Poor Sha reported back when, his 2015 Z06 ( non Z07) rode harder than his 2014 Stingray Z51, which rode harder than his 2012 CTS-V. Oddly enough I've now owned all 3 of those vehicles in succession and totally agree.

So that brings us to whether I needed to make another attempt at the GM 350 update ( with a different dealer who knows what he's doing) or go with the DSC controller. After reading many reports here on both options and reading between the lines, I've seen more than a few reports like yours and the tech at the new dealership who has done some on the Z06 advised that it wouldn't improve the ride that much on the Z06 that he had done and test driven AND the countless glowing reports on the DSC controller along with great support and backing their product, I elected to go with the DSC as it looked like it would be able to give a great compliant ride for street use. Since I'm only a street guy, not a track guy, this should have my name on it.

BOY does it ever !!!! As others have said, a game changer, night and day difference etc. I have the plush tour setting and sport setting dialed in perfectly right from DSC and after a 20 min install that is completely good to go, it totally transforms the Z06 into a comfortable compliant daily driver in touring with sport being at just the right setting for more firmness to enjoy the twisties.

Also one does not need to replace the runflats with non run flats to achieve a softer ride. Another great feature of the DSC is, it eliminates at least 80 and probably closer to 90 percent or more of the tram lining due to the sky hook feature of the DSC active suspension.

To sum up, the DSC is well worth every penny and then some, for STREET USE. Yes, Mike who designed this controller did it mainly for track use, but a fabulous street product is also contained in it's features.
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Old 03-06-2018, 06:26 PM
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@musclecar6 - glad I'm not the only one. The DSC sounds good and all, but it's a little too steep for my blood. The dealership that did the MRC update for me was pretty good from a customer service standpoint, so I may just call and let them know it did absolutely nothing for me and see what they say. Best case scenario I get a refund. Worst case they tell me to bugger off and I only waste a 5 min phone call. I'm thinking it'll be somewhere in the middle like a credit or free oil change. A credit could go towards the larger 2017+ supercharger cover that supposedly helps a lot with cooling (though it may just be rose colored glasses like the MRC update)


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