Chevrolet Corvette Stingray C7 Forum - View Single Post - C7 Z07 vs. GT-R Nismo

MEDISIN · 03-24-2015, 09:23 AM

So MotorTrend retested the Z06 after the NISMO loss. Chevrolet said the rear end was out of alignment on the Z06 they sent MotorTrend for the test.

http://www.motortrend.com/roadtests/...#ixzz3UqRnqmAd

They also softened up the suspension a bit for "rough tracks" like Willow Springs. The manual picked up 2.1 seconds properly aligned.

Randy Pobst:

Way better than it was last time! This was so much nicer to drive. Oh my gosh. The butterflies are gone. The fear is gone. There was a lot of fear in the car before. Just the handling, I trusted it way more. I still don’t experience a push anywhere. All the way around the Turn 2 carousel, it feels like I have very little steering in the car. Really balanced. Even the tail, the tail may be coming, but in a no-fear kind of way, like, wow, this thing’s really balanced!

Chevrolet also sent along an A8 for testing. All said and done, the manual Z06 ran a 1:25.00 and the automatic a 1:25.76 to the NISMO's 1:25.70.

Concerning the "high temps" of previous runs, it doesn't appear to be much of an impact.

We checked the data, and lap times and peak speeds did fall off by a few tenths of a second and 1 or 2 mph on each subsequent lap, though these could also be attributed to tire wear and other factors. Although Pobst has consistently complained of reduced engine power when lapping C7 Z06s, the problem does not appear to be especially great (in terms of lap times) and only seems to affect drivers of Pobst's incredibly high skill, suggesting that most customers won't encounter it.

Apparently that NISMO required octane booster to achieve it's advertised 600hp as 91 octane just won't cut it.

03-24-2015, 09:23 AM	#55
MEDISIN Drives: 2011 CTS-V Sedan Join Date: May 2009 Location: Chapel Hill, NC Posts: 1,505 View My Garage	So MotorTrend retested the Z06 after the NISMO loss. Chevrolet said the rear end was out of alignment on the Z06 they sent MotorTrend for the test. http://www.motortrend.com/roadtests/...#ixzz3UqRnqmAd They also softened up the suspension a bit for "rough tracks" like Willow Springs. The manual picked up 2.1 seconds properly aligned. Randy Pobst: Way better than it was last time! This was so much nicer to drive. Oh my gosh. The butterflies are gone. The fear is gone. There was a lot of fear in the car before. Just the handling, I trusted it way more. I still don’t experience a push anywhere. All the way around the Turn 2 carousel, it feels like I have very little steering in the car. Really balanced. Even the tail, the tail may be coming, but in a no-fear kind of way, like, wow, this thing’s really balanced! Chevrolet also sent along an A8 for testing. All said and done, the manual Z06 ran a 1:25.00 and the automatic a 1:25.76 to the NISMO's 1:25.70. Concerning the "high temps" of previous runs, it doesn't appear to be much of an impact. We checked the data, and lap times and peak speeds did fall off by a few tenths of a second and 1 or 2 mph on each subsequent lap, though these could also be attributed to tire wear and other factors. Although Pobst has consistently complained of reduced engine power when lapping C7 Z06s, the problem does not appear to be especially great (in terms of lap times) and only seems to affect drivers of Pobst's incredibly high skill, suggesting that most customers won't encounter it. Apparently that NISMO required octane booster to achieve it's advertised 600hp as 91 octane just won't cut it.