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Horsepower, dimensions and torque from Automobile Magazine

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  • Horsepower, dimensions and torque from Automobile Magazine

    https://www.automobilemag.com/news/2...nsions-torque/


    little-known fact about the C7 Chevrolet Corvette is that it’s a bit shorter in overall length than the Porsche 911. Drive the C7, with its long, long hood, back-to-back with the rear-engine 911, though, and you might feel like you’re comparing a muscle car to a sports car. That’s why Corvette chief engineer Tadge Juechter, who has led development of the car since the C5 generation, went to great lengths to explain how the new car’s mid-engine placement allowed designers to lower the hoodline. In a highly tactile, glove-fit sports car, when it comes to handling and balance, perception becomes reality.

    As General Motors President Mark Reuss put it, “The traditional front-engine vehicle reached its limits of performance, necessitating the new layout.” Chevrolet touts better weight distribution, better responsiveness “and sense of control,” and a “race-car-like view of the road” thanks to the lower frunk (front trunk), cowl, and dashboard. We’ll have to reserve judgment about whether this new layout works as intended until we drive the new Vette ahead of the market launch late this year. Horsepower and Torque


    Horsepower and torque ratings for the base Stingray’s 6.2-liter LT2 V-8 with variable valve timing, direct injection, Active Fuel Management (cylinder deactivation) and performance exhaust are 495-hp at 6,450 rpm and 470 pound-feet at 5,150 rpm. That compares favorably with the ’18 C7 Stingray’s 455 horses and 460 lb-ft, as well as the new 992-generation Porsche 911 Carrera S‘s 3.0-liter twin-turbo flat-six’s 443 horsepower and 390 lb-ft.

    Transmission and Fuel Economy


    The ’20 Stingray will come only with the bespoke M1L eight-speed dual-clutch automatic transmission (it’s a wet clutch setup). No fuel-mileage estimates are available, as the EPA numbers typically are released within days before the first cars are delivered.


    Suspension


    The front suspension is a short/long control-arm setup, with forged aluminum upper and cast-aluminum L-shaped lower arms and monotube dampers. The rear suspension is the same, and it also has a direct-acting anti-roll bar. Four-corner Magnetic Ride Control 4.0 is available with the Z51 package, and adjustable front lift with memory also is available. Tires


    Staggered-diameter Michelin Pilot Sport ALS tires are fitted to the base Stingray, while Michelin Pilot Sport 4S rubber appears on the Z51. In both cases, they’re sized 245/35ZR-19 at the front and 305/30ZR-20 at the rear.



    Read More
    Colors and Trim: All the Ways to Order Your C8
    C8 Design Analysis: “Sorry, I’m Disappointed”
    2020 Corvette Debut: Everything You Need to Know Dimensions and Weight


    On its tall “backbone” chassis designed to make for a more direct, better balanced sports car, the C8 is nearly a half-foot longer than the front-engine C7. The C8 is 182.3 inches long overall (up 5.6 inches) and rides on a 107.2-inch wheelbase (up by 0.5 inch). It’s 76.1 inches wide ( an increase of 2.2 inches) and 48.6 inches tall (down by 0.2 inch). All comparisons are against the 2018 Chevrolet Corvette Stingray coupe. The 992 Porsche 911 Carrera S is 177.9 inches long overall and has a 96.5-inch wheelbase; it’s also 72.9 inches wide and 50.8 inches tall.

    Chevrolet lists the C8 Corvette Stingray coupe’s curb weight at 3,366 pounds, 68 heavier than the ’18 Stingray coupe and 16 pounds lighter than the new 911 Carrera S.
    Last edited by ABorC; 07-27-2019, 07:56 AM.

  • #2
    Its a good looking car! I wonder how its performance was on the Ring?
    Proud owner of
    1966 Ermine White/White Blue Interior L72 Coupe
    2013 Artic White/Diamond Blue Interior LS7 Convertible

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    • #3
      Initially I was disappointed they didn't break 500hp, but on further thought I belive the strategy of keeping essentially the same LT1 engine was a stroke of genius.
      • All of the LT1's reliability problems were worked out years ago, so the mainstream C8 model will have Honda-like engine reliability, permitting the Corvette team to focus on refining the build quality and reliability of the other new parts, especially the DCT and new Digital Vehicle Architecture.
      • If the SBC's replacement is a reliability nightmare then it could well kill the Corvette, so it's proper for them to focus resources on the DOHC V8 TT engine architecture.
      • Mid engine placement of a mildly updated LT1 provides more significant performance gains than have historically been achieved between generations. What other first year Corvette generation has featured a 0-60 time equal to that of the last gen's ZR1?

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      • #4
        THE CAR DOESN'T NEED 500 HP. IT DOES 0 to 60 in 2.9 SECONDS. YES, I want to know the RING Times

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        • #5
          They have been running prototypes. Probably not for closed circuit maximum efforts. Still curious.

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          • #6
            GM's statement of the 495/470 Horsepower Torque is their as of 07/18/19 disclosure. Sounds like the final certified figures will be higher, somewhere over 500 HP and maybe even closer to 500 TQ when the car is finally certified . By whoever it is that does the certification.

            I think the certification is generally done after the production cars are coming down the assembly line.

            Question: why would C8 settle or 495 anyway. just 5 ponies blow the magic 500. So the final number(s) may be a wee bit higher than what has been disclosed.

            505 has a history so maybe that

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            • #7
              Given that GM initially underestimated the C7 as originally 450, then underestimated the Z06 at 625 HP, then underestimated the ZR1 at 750 HP, I am putting money down on SheepDog’s prediction, though to split hairs I am thinking 500 HP and 475 TQ (instead of the 470 announced). In any case, getting to under 3 seconds is truly an amazing feat.
              GBA Black; HTO Twilight/Tension interior; Z51 & Mag Ride; E60 lift; 5VM visible carbon fiber package; 5ZZ high wing; FA5 interior vis CF; ZZ3 engine appearance; 3LT; Q8T Spectra Gray Tridents; J6N Edge Red Calipers; SNG Edge Red Hashmarks; VQK Splash Guards; RCC Edge Red engine cover; VJR illuminated sill plates. Lifetime, annual contributors, and 23 year members of National Corvette Museum. Home is the beautiful Pacific Northwest.

              Comment


              • #8
                Originally posted by John View Post
                . . . In any case, getting to under 3 seconds is truly an amazing feat.
                I guessed everything overoptimistically dead wrong except the Zero o 60, which I thought would be under 3. That was assumptions about DCT, aggressive gearing,, traction and launch tech, and it looks slippery.

                I bet it does a minimum 10.99 in the quarter too. Over achiever for dinner, anybody?

                There were some earlier videos of the prototypes launching from a dead stop, at the Milford Facility[?]. . Not a lot of drama. No real thunder. But . The C8 appears to hunker down and scoot n a business like manner.

                Comment


                • #9
                  I had an Infiniti Q45 in 1991. It had a 4.5 liter V8 officially rated at 278 horsepower. The same engine was installed in their top of the line Japanese market car The horsepower limit in Japan at that time was 280 hp.

                  Based on its performance, most automotive writers thought it had at least 315 hp, and maybe as much as 340. But they rated it as they did because of the Japanese market limitation.

                  I am wondering if some reason, ability to insure, gas guzzler tax, etc. caused GM to downplay the horsepower a bit. If the car can go 0 to 60 in under 3 seconds, there are algorithms that estimate the actual horsepower.

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                  • #10
                    The gas guzzler tax is based on the EPA mileage tests. HP has nothing to do with it.
                    Delivered 5/29!: Scarlet Fever 2021 2LT HTC, Red Mist Metallic Tintcoat, two-tone Natural w/ suede inserts, Mag Ride, Performance Exhaust

                    Current C7: SunKissed, 2015 2LT, 7MT, Black overDaytona Sunrise Orange Metallic, Stingray convertible

                    Proud member of the Old Dominion Corvette Club: https://www.olddominioncorvetteclub.org/

                    Never grow up - It's a trap.

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                    • #11
                      The CarSpecs calculator says for the C8 to get under 3 seconds 0-60 at ~3400 lbs, using a DCT the LT2 is producing at least 575 HP at the flywheel. GM is certifying the engine under 500 HP for a reason......a 21st Century L88 ??

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                      • #12
                        The c8 is standard as a wide body 2.2 inches wider than the previous c7...

                        hopefully the corvette team wont need to wide body the c8 further...(being a buyer of a c8 z51 im being selfish)

                        im all in on this crazy performance rear mid engine c8 z51...under 3 seconds to sixty is crazy fast and the pricing is awesome.

                        driveable everyday supercar.

                        Comment


                        • #13
                          Do we know yet if the DOD (Displacement On Demand) is still going to be used?
                          What about the new auto stop/start?

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                          • #14
                            Originally posted by BOBSZ06 View Post
                            Do we know yet if the DOD (Displacement On Demand) is still going to be used?
                            What about the new auto stop/start?
                            no start stop and when the display was caught on camera, it showed that it was in V8 mode, which it wouldn't bother showing if there wasnt a 4 banger mode

                            Comment


                            • #15
                              Originally posted by JB View Post
                              The c8 is standard as a wide body 2.2 inches wider than the previous c7...

                              hopefully the corvette team wont need to wide body the c8 further...(being a buyer of a c8 z51 im being selfish)

                              im all in on this crazy performance rear mid engine c8 z51...under 3 seconds to sixty is crazy fast and the pricing is awesome.

                              driveable everyday supercar.
                              2.2 inches wider then the stingray C7 or 2.2 inches wider then the GS/Z06?

                              Comment

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