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I bet 7:07, but I'm calling that they use the manual to do it. I don't think they have the cooling sorted on the auto yet. Downforce and the wide band torque will make the difference.
I bet 7:07, but I'm calling that they use the manual to do it. I don't think they have the cooling sorted on the auto yet. Downforce and the wide band torque will make the difference.
Sorry to disappoint you but GM won't run the 'Ring until the auto is ready....the 8 speed auto will spank the 7 speed manual! If you have any doubt, just look at the CTS-V times!
Sorry to disappoint you but GM won't run the 'Ring until the auto is ready....the 8 speed auto will spank the 7 speed manual! If you have any doubt, just look at the CTS-V times!
Not if it overheats. Correction, no because it will overheat.
The ring is 13 miles, equivalent to 5 laps at a normal racetrack. That's about the limit for the Stingray, and the Z06 will have more weight and torque to deal with. Mero would also drive it much harder than 99.99% of the guys who do HPDEs.
Not if it overheats. Correction, no because it will overheat.
The ring is 13 miles, equivalent to 5 laps at a normal racetrack. That's about the limit for the Stingray, and the Z06 will have more weight and torque to deal with. Mero would also drive it much harder than 99.99% of the guys who do HPDEs.
Wrong. The 'Ring has some very long straights which will markedly cool down the components and allow the car to run in a higher gear, hence lower revs, hence lower oil temps. Now you may well be correct on much shorter, tighter tracks. Hence the need for the additional tranny cooler.
Bish
Wrong. The 'Ring has some very long straights which will markedly cool down the components and allow the car to run in a higher gear, hence lower revs, hence lower oil temps. Now you may well be correct on much shorter, tighter tracks. Hence the need for the additional tranny cooler.
Bish
I wouldn't be so sure of that. The transmission is getting consistent pounding on the straights. More air? Yes. But also way more thrust as well.
Chris Harris had a nice video with one of the Porsche engineers. He said the toughest part to design is the transmission, particularly keeping it together on high speed portions of the track. It stays in one gear and heats up. You can't distribute the load on more than one gear sets.
I wouldn't be so sure of that. The transmission is getting consistent pounding on the straights. More air? Yes. But also way more thrust as well.
Chris Harris had a nice video with one of the Porsche engineers. He said the toughest part to design is the transmission, particularly keeping it together on high speed portions of the track. It stays in one gear and heats up. You can't distribute the load on more than one gear sets.
I agree. When I ran at Talladega, my coolant and engine oil temps would jump to 212/205 when I would run 160+ on the back stretch and would start to drop when I slowed down on the front stretch with no throttle application. Running WOT, even for a short distance, ~3500' on the back stretch cause the temps to rise even though I was forcing a lot of air through the radiator and the separate liquid/air heat exchanger for the oiling system from 145 to 160+ MPH.
The temps for the transmission and rear axle would also see the same rise in temps at high speeds at WOT.
I agree. When I ran at Talladega, my coolant and engine oil temps would jump to 212/205 when I would run 160+ on the back stretch and would start to drop when I slowed down on the front stretch with no throttle application. Running WOT, even for a short distance, ~3500' on the back stretch cause the temps to rise even though I was forcing a lot of air through the radiator and the separate liquid/air heat exchanger for the oiling system from 145 to 160+ MPH.
The temps for the transmission and rear axle would also see the same rise in temps at high speeds at WOT.
When manufacturers run a car at the 'Ring to generate a time, its not like they're doing multiple laps and building up heat like we see at HPDE events. Manufacturers might run one lap to get everything up to operating temps at 8/10s; or perhaps they just keep the tyres warm in the pits, have the fluids warm in the car and then just go for it in one lap; not multiple. Hence the assumption that this car will overheat the A8 in one lap of the 'Ring is pushing it IMHO.
I don't think anyone would complain if a Tuner Sponsored C7 made an aftermarket Ring run!
You know just for Giggles!
It will be interesting to see if GM runs the A8 or M7 around the ring. I suspect the A8. I was joking about the Zora. No way to know what it will run, unless they have one there already. The C7 Z07 will run 6.59.
I would love to sell our ULZ700 to someone in Germany that would set it up to run the Ring. With 3.9lbs/hp and PSC2s who knows what it might do. I know the Johnny O'Connell said "Oh my God, this is the fastest Corvette I have ever driven. This is faster than my racecar!" Was he saying that to smooth my ego? It could be, but he then stated, Jim, I have driven a lot of cars, and everyone thinks there's is something special, but this one is simply unbelievable".
It would be so cool to have someone like Johnny or Andy drive the C7Z06 at the Ring. I realize that it has more weight/hp than the ZR1,