C8 Stingray Blazingly Fast

[John]

How fast is the C8 Stingray? Amazingly so! Take a gander at this massive list of cars that are all slower than the C8 Stingray. We thank Fasttoys for providing us this information.

https://www.zeroto60times.com/3-seco...-60-mph-times/

[Frenzy36]

That's a huge accomplishment. Will be interesting to see the dyno results in the near future.

[Milliwatt Rob]

Many of us think the 495 hp is an intentionally lowball number, though we may differ on why GM decided to lowball it.

I like the theory that it is lowballed to make the advertised horsepower increases over the LT2 engine look bigger when the dohc engines come along.

[Bikerjulio]

Many of us think the 495 hp is an intentionally lowball number, though we may differ on why GM decided to lowball it.

I like the theory that it is lowballed to make the advertised horsepower increases over the LT2 engine look bigger when the dohc engines come along.

That's an interesting point. And it has happened in the past.

Acceleration is just basic physics. Power and mass. Someone should be able to plot out lbs/HP vs 0-60 times of peer cars to come up with an alternative estimate of the C8's HP knowing it's likely wet weight.

[John]

If one subscribes to the SAE program, as GM does, one must certify within 5 HP of actual. Therefore my take is that just as GM created this positive firestorm of interest on 7.181.9, they are going to pour mega gallons of 110 octane gasoline on it again and with further spaced out announcements, one of which is a HP and TQ increase.

And then, the piece de resistance (sp?), they will announce that at Lime Rock, the C8 Stingray was faster than the C7 Z06 (at least that’s my belief — and is NOT based on inside knowledge).

[SheepDog]

C8 Stingray is the HP start point for C8. The 600/750 HP C8 will probably do 0-100 in 5 sec and the 440yds in 9s. The base is true supercar over achiever. I know 2 Porsche devotees who are genuinely excited and prideful for the home team on this one and not hating it.. C8 may alter the image and revive interest in the segment to the benefit of all. The segment is seen as elitist, arrogant, snobbish excessive and greedy to its detriment. one percenter's play ground.

The first independent test and reviews will be a milestone opportunity

many will love it for the beauty, interior style and the look. the thing is simply cool. the zero to 60 is icing.

Even my teenage grand kind want it.

[CraZ8]

If one subscribes to the SAE program, as GM does, one must certify within 5 HP of actual. Therefore my take is that just as GM created this positive firestorm of interest on 7.181.9, they are going to pour mega gallons of 110 octane gasoline on it again and with further spaced out announcements, one of which is a HP and TQ increase.

And then, the piece de resistance (sp?), they will announce that at Lime Rock, the C8 Stingray was faster than the C7 Z06 (at least that’s my belief — and is NOT based on inside knowledge).

I should not be this happy/excited.

[SheepDog]

I think that the way it works is that with a really great transmission, aggressively geared, with lots of gears to keep it in the sweet spot of the rev band then the car will be blazing until the HP run out. So the C8 is probably blazing fast up to 150 maybe? 160?

But it will take more HP to be fast through 200 and more through 220. Plus aero to avoid drag limitations.

So maybe the C8 is really a 6 speed DTC with 2 additional overdrive gears.

It reached max speed in 6th gear and that speed is maybe 170.

the high speed stuff will be for the Z06/ZR1 over 200. If anyone is really interested in doing that. Some will be.

[Bikerjulio]

I went looking for comparable cars - and the closest appears to be the Ferrari 488.

Similar weight or even lighter. (3250++). Transmission. Similar 0-60 time (2.9 - 3.0 sec). But it takes 661 Ferrari HP to get that number. Hmmmmmmmm.

[Mobius]

Many of us think the 495 hp is an intentionally lowball number, though we may differ on why GM decided to lowball it.

I like the theory that it is lowballed to make the advertised horsepower increases over the LT2 engine look bigger when the dohc engines come along.

That seems to make sense.

GM could have easily given the LT2 another 5 HP, for an even 500HP, but then there would be a certain percentage of people who would say (as we've seen in a recent thread) that 500HP is enough, and I don't need a Z-version Corvette.

This is all just an interesting psychological effect, since none of us will be able to feel the difference between a 495 HP and 500HP engine.

[Mobius]

So maybe the C8 is really a 6 speed DTC with 2 additional overdrive gears.

Harlan mentioned in one of the videos that the C8's 7th and 8th gear are for highway fuel economy.

It reached max speed in 6th gear and that speed is maybe 170.

The stock C7 Z51 coupe will do around 186 MPH (drag limited) on the Autobahn, and the C8 should exceed this top speed. Where did you hear the top speed of the C8 is 170MPH?

[ZORA 69]

I don't want to go fast. I just want to make a lot of noise and look pretty, lol It is amazing me to me that the price point in comparison to other cars that do not have the specs as the C8 is so reasonable.

[bobbytinvab]

I was hoping for 500HP, just to say it had it ... BUT in reality it's the torque that American V8s have that makes the Corvette a fun DD. Nothing better than that seat of the pants, push you back into the seat feel of the Corvette for me.

[SheepDog]

I went looking for comparable cars - and the closest appears to be the Ferrari 488.

Similar weight or even lighter. (3250++). Transmission. Similar 0-60 time (2.9 - 3.0 sec). But it takes 661 Ferrari HP to get that number. Hmmmmmmmm.

The HP difference between the 488 and C8 might be expressed in their respective top end performance. The Ferrari is faster above 150, or whatever.


For example, an electric car beats a ICE off the line because of instant torque.
Therefore, if the C8 is geared up to mimic an electric vehicle, then it can be really quick up to some speed when the HP becomes a factor.
Electric hit instant torque and stays there until it spins out to its max .

The C8 has 475 TQ and the band width may be something like 400 lb ft TQ from 3K to 5K RPM.
So set 1st gear really low and launch the C8 at 4K RPM. ( great traction so it hooks up instantly)
2nd gear is set to engages aggressively. Set to kick-in on the high side of the "1st-gear-peak torque". The DCT looses no RMP.
3rd , 4th 5th and 6th gears all engage on the high side of the peak torque of the previous gear.
Therefore, the C8 can be really quick up to the point that it runs out of HP.
That is the beauty of the DCT. If a car has torque, the DCT can keep things within the effective torque range. And the car can fly until it run out of HP, up at the top end.

At 5K RPM in 6th gear the torque starts to decline, and acceleration declines.
And party is over at 6450 RPM in 6th.
So the C8 will be fast up to about 5K RPM in 6th gear. Whatever speed that multiplies out to be.
This is what Thadge Jeucther seems to be saying, as I hear and interpret him.

The speed (quickness) of the 488 depends (also) on the aggressiveness and Computer programing of the DCT , in addition to pure 488 HP. Above a certain speed the 488 will simply be faster than the C8 because of the 661 HP. It will just keep on accelerating, after the C8 tops out at a lower speed.
All amateur guess work, of course.

Amateur hour opinion. above and below.

That explains why the McLaren 720 is straight line faster that the Pista and the rest of them. The DCT computer program is the reason. Same thing with the new Supra. It has a great DCT computer program. Therefore it beats the BMW which is programmed differently. They say HP to.


The DCT and the computer has changed the game. Programing is important.

[Meldoon]

So, are we looking at 1/4 mile in the 10’s ? How many stock cars( that can also negotiate corners) do that?