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Old Aug 26, 2019 | 10:31 AM
  #21  
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^^^Ya i also noticed it specifically says "0-60mph/100kph." So not totally sure if those numbers mean base/z51 respectively, OR mph/kph respectively....
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Old Aug 26, 2019 | 10:34 AM
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Originally Posted by SkyBlueVette
So if I skip the Z51 package and just get the NPP exhaust do I get the 490 HP or 495 HP?
495 with the performance exhaust...
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Old Aug 26, 2019 | 10:34 AM
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Really curious about those trans ratios for the Z51. From those calculations, top seed in 4th is 117MPH. 5th is 158MPH. That is a LONG gear.
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Old Aug 26, 2019 | 10:35 AM
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Some guys on here are going to eating major crow once the full numbers are posted.
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Old Aug 26, 2019 | 10:35 AM
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Originally Posted by WGGS
It says 0-60mph/100kph. Which is it? 100kph is more like 63mph. A lot of cars are geared for 0-60mph and then take a few more tenths to get to100kph due to gear changes.
You can bet the numbers are based on to 60 mph, not 62 mph.
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Old Aug 26, 2019 | 10:39 AM
  #26  
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Originally Posted by fasttoys
Z51 will be worth it in the long run. Not a fan of the spoiler but still worth it.
agreed...re: the spoiler...I usually am not a fan of big spoilers on street cars but the optional big wing (dealer installed I understand) really goes well with the C8...looks much better then the std Z51 spoiler.
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Old Aug 26, 2019 | 10:41 AM
  #27  
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Originally Posted by JadeRaven
Really solid numbers.

11.3 in the 1/4 is huge. From a base vette.

The wait is only going to get harder.
Yeah very solid numbers...but the C7 Z06 will still not have any big problem beating the C8 until the Z06 shows up in 2020 (a guy who owns a '16 3LZ Z06 Vert with 4 K miles...
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Old Aug 26, 2019 | 10:49 AM
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Originally Posted by usrodeo4
Nice data. Though I thought the Z51 rear axle ratio had been documented as 3.86:1? As for the performance numbers, those are obviously Chevy numbers so if history proves a good indication I would expect the Test numbers to be a few tenths slower...as a point of reference Chevy said the C7 Z06 was a 2.95 sec 0-60 and Motor Trends best number was 3.0...the Porsche Turbo S MT number is 2.5 seconds and 10.43 in the 1/4 mile. There is a youtube video of a '16 Z06 A8 bone stock with only 500 miles running back to back 11.03 and 11.06 1/4 mile runs...so looks like C7 Z06 owners will still have the advantage when a C8 base pulls up next to them at a stop light next year.
Pretty evenly matched actually since there are just as many c7 z06 drivers that run mid 11s as the rare low 11s..

https://www.roadandtrack.com/new-car...-drive-review/
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Last edited by bhvrdr; Aug 26, 2019 at 10:52 AM.
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Old Aug 26, 2019 | 10:54 AM
  #29  
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I believe this is saying 2.9 for 0-60 MPH, and 3.0 for 0-100 KPH, not the difference between the Z51 and Base models. Also, I find it strange that the speeds are reversed meaning 2.9 would go with 100KPH in the order listed which seems incorrect. Personally, though I would like this to be the case I would not believe it for sure unless it came from an official source.
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Old Aug 26, 2019 | 11:09 AM
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Originally Posted by Vett101
I believe this is saying 2.9 for 0-60 MPH, and 3.0 for 0-100 KPH, not the difference between the Z51 and Base models. Also, I find it strange that the speeds are reversed meaning 2.9 would go with 100KPH in the order listed which seems incorrect. Personally, though I would like this to be the case I would not believe it for sure unless it came from an official source.
Good catch! That's correct, because the "/" is the same in both columns. There's another field (Max lat) where it says "Base / Z51"... if the 0 to 60 stat was to show the difference between base and Z51 they would have stated it the same way ("Base / Z51") for that field.

100kmph = 62mph
60mph = 96.6kmph

So yes, seems like they flipped the figures/typo, as 60mph comes sooner than 100kmph.

Last edited by ArmchairArchitect; Aug 26, 2019 at 11:11 AM.
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Old Aug 26, 2019 | 11:10 AM
  #31  
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Another thing to note is convertible weight. I would imagine that’s a sign that the vert is a 2020 model, not 2021.

Last edited by zr_kaizen; Aug 26, 2019 at 11:10 AM.
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Old Aug 26, 2019 | 11:12 AM
  #32  
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Note that the R&T referenced numbers above are for a manual transmission Z06 which is slower than the automatic.
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Old Aug 26, 2019 | 11:12 AM
  #33  
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Originally Posted by stingray87xx
Really curious about those trans ratios for the Z51. From those calculations, top seed in 4th is 117MPH. 5th is 158MPH. That is a LONG gear.
The old school engine still consume a lot of fuel so that’s why they are using long gears to improve fuel economy!
What I hate about C7 that’s you will be killed in street races by cars 100 hp less than you once you are in super long 5th gear I really hate it
I think the same story will happen to the C8
0-60 time is nothing
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Old Aug 26, 2019 | 11:23 AM
  #34  
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Originally Posted by Iker
The old school engine still consume a lot of fuel so that’s why they are using long gears to improve fuel economy!
What I hate about C7 that’s you will be killed in street races by cars 100 hp less than you once you are in super long 5th gear I really hate it
I think the same story will happen to the C8
0-60 time is nothing
I would say 121 mph in the quarter isn't too shabby. It's not like they shoveled a two speed Powerglide into the car. Plus, while aerodynamics certainly help, any vehicle that can reach 194 mph top speed, doesn't exactly nose over at 120 mph. It will still be pulling hard at 150 mph.
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Old Aug 26, 2019 | 11:34 AM
  #35  
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I find those times very interesting and the comments that GM is overly zealous with their performance numbers is simply not true. I recall the times stated for the C5, the C5 ZO6, the C6, the C6 with the LS3, the C6 ZO6 and ZR1 and later the C7 base, Z51, ZO6 all were conservative at the time and many drivers exceeded those numbers with regularity. As to the car mags never making those times you have to realize 2 things. They test those cars over a relatively short period of time and really never get to know exactly how to get the best times and they do an average for their publications. It's all about "seat time" and anyone owning a car knows what I'm talking about. Just go on the "Fast List" for any of these cars and check out the "Stock" times. Finally so many of the car mags also tested M7's which like it or not are slower than the autos. I would predict that these C8's will show up at the tracks and drag strips all around the country and they'll live up to those figures. Just saying!
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Old Aug 26, 2019 | 11:37 AM
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Originally Posted by Kappa
Some guys on here are going to eating major crow once the full numbers are posted.
You mean the guys who called some of us "morons" for predicting a 0.1 of a second difference with such a minute difference in gear ratio?
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Old Aug 26, 2019 | 11:43 AM
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Originally Posted by SkyBlueVette
So if I skip the Z51 package and just get the NPP exhaust do I get the 490 HP or 495 HP?
Yup
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Old Aug 26, 2019 | 11:47 AM
  #38  
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Originally Posted by usrodeo4
Nice data. Though I thought the Z51 rear axle ratio had been documented as 3.86:1? As for the performance numbers, those are obviously Chevy numbers so if history proves a good indication I would expect the Test numbers to be a few tenths slower...as a point of reference Chevy said the C7 Z06 was a 2.95 sec 0-60 and Motor Trends best number was 3.0...the Porsche Turbo S MT number is 2.5 seconds and 10.43 in the 1/4 mile. There is a youtube video of a '16 Z06 A8 bone stock with only 500 miles running back to back 11.03 and 11.06 1/4 mile runs...so looks like C7 Z06 owners will still have the advantage when a C8 base pulls up next to them at a stoplight next year.
If the Z06 is a manual it will be a tough race to 100 MPH after that I am not sure. DCT will give C8 advantage coming out of the gates.

Last edited by fasttoys; Aug 26, 2019 at 11:48 AM.
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Old Aug 26, 2019 | 11:48 AM
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Originally Posted by MikeyTX
Yup
he asked which and you said yup. Yup you do get 495 with NPP.
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Old Aug 26, 2019 | 11:55 AM
  #40  
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Originally Posted by Vett101
I believe this is saying 2.9 for 0-60 MPH, and 3.0 for 0-100 KPH, not the difference between the Z51 and Base models. Also, I find it strange that the speeds are reversed meaning 2.9 would go with 100KPH in the order listed which seems incorrect. Personally, though I would like this to be the case I would not believe it for sure unless it came from an official source.

Thank god someone finally pointed this out... I saw immediately that it was not base/Z51 and was just the difference between 0-60 and 0-100km/h. I couldn't believe all the comments not noticing that haha.

I'm betting that's the numbers for the base model which is even better news since a few of the other figures are for the Base only and the Z51 trans ratio's are missing. I'm thinking base is 3.0 and Z51 will be rated at 2.8 for 0-60 times.
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