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Great question and one a new C7 owner should answer directly. Allow me to add to this issue that if a C6 owner gives you an answer, please consider it in the context that the C7's MSRC is a much improved system, with now two coils inside each shock, giving you not only the fantastic "conversion to full shock firmness" when needed 1/1000 of a second that the C6 had, and also the second/additional coil is wound in reverse, giving each shock much, much quicker "conversion to softness" when desired.

For those who want background, here's some fun videos. The first one is the first MSRC system in the C5, and it is useful in giving a simple explanation/diagrams how MSRC works:

http://m.youtube.com/watch?v=48m1_otpD9c

The second video is a 2012 Cadillac ad, just 38 seconds long, and shows a CTS-V versus a Ferrari 458 Italia on the track. Interestingly, if you bought a brand new Ferrari Italian or Audi R8 today, you would get the second generation GM MSRC system, not the third generation system that comes in the StingRay.

http://m.youtube.com/watch?v=lY_HOTN_Prk
 

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Great question and one a new C7 owner should answer directly. Allow me to add to this issue that if a C6 owner gives you an answer, please consider it in the context that the C7's MSRC is a much improved system, with now two coils inside each shock, giving you not only the fantastic "conversion to full shock firmness" when needed 1/1000 of a second that the C6 had, and also the second/additional coil is wound in reverse, giving each shock much, much quicker "conversion to softness" when desired.

For those who want background, here's some fun videos. The first one is the first MSRC system in the C5, and it is useful in giving a simple explanation/diagrams how MSRC works:

http://m.youtube.com/watch?v=48m1_otpD9c

The second video is a 2012 Cadillac ad, just 38 seconds long, and shows a CTS-V versus a Ferrari 458 Italia on the track. Interestingly, if you bought a brand new Ferrari Italian or Audi R8 today, you would get the second generation GM MSRC system, not the third generation system that comes in the StingRay.

http://m.youtube.com/watch?v=lY_HOTN_Prk
Elegant,
I have another question hoping you can help me with. I got a Z51 but did not get MSRC any idea how the car rides without it... I hope it wasnt a mistake not ordering this option but I had to stop somewhere ;)
 

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Do not know today, but will know in a couple of days for I am visiting someone who has exactly that same combination as you ordered.

Perhap someone else has this combo and can post an answer sooner than I will be able to.
 

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Agree fully with what glen e posted above, for the word "taut" is an excellent and accurate term to describe for the ride I just completed in a Z-51 without MSRC. You could also use the words "firm" or "responsive." Compared to my C6 Z06, it is, however, a "pussycat suspension." Compared to a entry level StingRay, it is definitely firmer, and if you live in an area with lousy roads and do not like a firm ride, then the getting the car without the Z-51 suspension is a good idea. What remains to be seen, is a back-to-back test of a standard suspension with a car compared to a Z-51 suspension WITH MSRC!

Going way out on a limb, for we do not have comparative tests, the standard suspension is obviously the softest, with my guessing here, the Z-51 with MSRC being 20% stiffer, and the Z-51 without MSRC being an additional 10% stiffer, and, finally, the C6 Z06 being at least 25% stiffer than the stiffest 2014 StingRay.
 

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Agree fully with what glen e posted above, for the word "taut" is an excellent and accurate term to describe for the ride I just completed in a Z-51 without MSRC. You could also use the words "firm" or "responsive." Compared to my C6 Z06, it is, however, a "pussycat suspension." Compared to a entry level StingRay, it is definitely firmer, and if you live in an area with lousy roads and do not like a firm ride, then the getting the car without the Z-51 suspension is a good idea. What remains to be seen, is a back-to-back test of a standard suspension with a car compared to a Z-51 suspension WITH MSRC!

Going way out on a limb, for we do not have comparative tests, the standard suspension is obviously the softest, with my guessing here, the Z-51 with MSRC being 20% stiffer, and the Z-51 without MSRC being an additional 10% stiffer, and, finally, the C6 Z06 being at least 25% stiffer than the stiffest 2014 StingRay.
I have to see if I can find it, but I seem to remember a slightly different soft-to-hard ranking: The Z51 with MSRC set to the softest setting was the softest ride, followed by the non-Z51 base, followed by the Z51 without MSRC, followed by the remaining Z51 with MSRC setting up to track.
 

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When there was no restraint on z51, I emailed one of the corvette team and ask him this specific question as I need the softest ride I can get due to back and hip sensitivity. Money was no object when ordering. His answer was "non z51" was the softest, over z51 with mag set in soft position....I also heard this was asked at the museum seminars this past summer. From another poster - "trackaholic":

From what was said at the Corvette Museum Bash event earlier this year, the suspension raking from softest to harshest would be as follows:

1. Non Z51
2. Z51 with MSRC
3. Z51 without MSRC

The Z51 has stiffer sway bars, so even with MSRC it is still a more jolting ride than the non-Z51. Because you are looking for more of a cruiser than a track car, I think the non-Z51 would be the best bet. You will save some money that could be put towards other things (personally I like the 2LT for the HUD and ventilated seats, while my wife would like the heated seats...the additional color on the interior is a nice bonus).
 
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