Page 37 - MotorTrend (March 2020)
P. 37

As I accelerated off slow corners, like
             Shelby’s Carbon Fiber                                                                     VIR’s Oak Tree, the C8’s ground-gripping
             Track package lowered
             the GT500’s lap time by                                                                   traction rockets the car forward, and it
             more than 3 seconds.                                                                      remains well balanced even though it feels
                                                                                                       like it might wheelie. I found a consistent
                                                                                                       gradual side slip in third and fourth gears
                                                                                                       exiting faster sweepers. The C8 has more
                                                                                                       power oversteer at 80 mph than it does at
                                                                                                       40, which is unusual.
                                                                                                          The new Corvette’s braking was strong
                                                                                                       and stable with moderate nose dive. There
                                                                                                       was some isolation, if not the degree of
                                                                                                       e-pedal numbness I feared, and the brakes
                                                                                                       were cooled with some really nice Z51
                                                                                                       brake ducts. Last, there was no more float,

           LAP TIMES                                                                                   better suspension damping, but not harsh.
                                                                                                          Crawling under the hood (see pg. 34),
                                                                                                       we then adjusted the C8’s suspension to
           Ford Mustang Shelby GT500 (CFTP) no passenger................................1:56.30
                                                                                                       its track settings—which simply comes
           Ford Mustang Shelby GT500 no passenger .............................................1:59.68
                                                                                                       down to much more negative camber,
           Chevrolet C8 Corvette track suspension no passenger...................... 2:00.96
                                                                                                       front and rear. When added to the 8
           Chevrolet C8 Corvette track suspension with passenger.....................2:01.91
                                                                                                       degrees of caster (the same in Street or
           Chevrolet C7 Corvette track suspension with passenger ....................2:03.14
                                                                                                       Track mode), the Corvette creates camber
           Chevrolet C8 Corvette street suspension with passenger.................. 2:03.68
                                                                                                       gain when the wheels are turned, which
                                                                                                       is especially good for tight turns, and a
                                                                                                       strong self-centering force for stability
                                                                                                       and good on-center feel.
                     SPEED COMPARISON
                                                                                                          High caster will also cross-weight a
                                                                                                       chassis because the outside wheel swings
                180
                                                                                    GT500              in an arc upward as the inside wheel
                               GT500
                                                                                                       swings down. These will both typically
                                                                                    166.5 mph
                               160.2 mph
                150                                                                 CORVETTE
                               CORVETTE
                                                                                                       work to reduce the understeer that we
                                                                                    153.6 mph
                                                                                                       squawked about in earlier tests.
                               150.9 mph
                                                                                                          The effect of the added camber was
                120
                                                                                                       much improved grip everywhere,
              MPH  90                                                                                  reducing but not eliminating traits of
                                                                                                       midcorner understeer and drop-throttle
                                                                                                       oversteer and raising speeds with better
                 60                                                                                    manners. The basic traits of midcorner
                                                                                                       understeer and trailing-throttle oversteer
                                                                                                       were still there, just not as much.
                 30
                                                                                                          In Track setup, the Corvette’s lap times
                                                                                                       improved by 2 to 3 seconds with less
                                                                                                       falloff and better grip on a long run. Tying
                  0
                                                                                                       this all together was an eight-speed dual-
                                                                                                       clutch transmission that worked quite
                           1       4A                   9     12                 14    16B
                                                                                                       well at full chat, completing the perfor-
                                                                                                       mance of a much improved product.
                                                                                                       Far more than deserving of the title,
                    HOW FAR AHEAD?                                                                     this fresh offering is a 21st century new

                                                                                                       chapter, with more room to improve. One
               300
                                                                                                       step back with the engine is a giant leap
                                                                                                       forward for the Stingray.
               250
                                                                                                          The GT500, on the other hand, has
              FEET AHEAD  150                                                                          regarded thoroughbred, the GT350. As
               200
                                                                                                       sprung from the loins of another highly

                                                                                                       such it comes from a known source that
               100
                                                                                                       has been developed for years. It shows on
                                                                                                       track, especially.
                50
                                                                                                          Whereas the C8 is precise, the GT500
                                                                                                       hoons. Toss it around. Grab it by the
                 0
                    0
                                                                                                       scruff of the neck. This pony encourages
                           2,000     4,000    6,000    8,000    10,000   12,000   14,000   16,000
                                                                                                       aggression. Its version of refinement
                                          TRACK DISTANCE, FEET
                                                                                                       manifests in confidence for the driver.
            GT500 CORVETTE                                                                                      MARCH 2020 MOTORTREND.COM  37
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