For Release: Aug 4, 2009
The following is an overview of the differences and similarities between the GT1 and GT2 versions of the Corvette C6.R.
GT1 Corvette C6.R |
GT2 Corvette C6.R |
|
Homologation Model |
Corvette Z06 |
Corvette ZR1 |
Frame |
Hydroformed steel |
Hydroformed aluminum |
Wheelbase (in) |
105.7 |
Same |
Length (in) |
178.7 |
176.2 (-2.5) |
Width (in) |
78.7 |
78.6 (-0.1) |
Weight (lb) |
2580 |
2745 (+165) |
Engine |
7.0-liter LS7.R |
2009: 6.0-liter LS7.R 2010: 5.5-liter GM V8 |
Horsepower |
590 |
2009: 470 (-120) 2010: TBD |
Torque (lb-ft) |
640 |
2009: 535 (-105) 2010: TBD |
Intake Air Restrictor (mm) |
30.6 |
28.6 (-2.0) |
Bore diameter (in) |
4.180 |
Same |
Crankshaft stroke (in) |
3.875 |
3.32 (-0.555) |
Transaxle |
Xtrac 6-speed sequential |
Same |
Wheels |
BBS magnesium, 18 x 12.5 (front); 18 x 13 (rear) |
BBS aluminum, dimensions same |
Tires |
Michelin racing
tires |
Same |
Brakes |
Carbon rotors and pads |
Steel rotors, ceramic composite pads |
Fuel capacity @ ALMS E85 spec (gal) |
29 |
Same |
Wing Chord (mm / in) |
400 / 15.74 |
300 / 11.81 (-100 / -3.93) |
Diffuser |
Leading edge at rear axle centerline, with side plates and longitudinal fences |
Leading edge at rearmost point of wheel opening, no side plates or fences |
Splitter (mm) |
80 |
25 (-55) |
Telemetry |
Yes |
No |
Windshield |
Polycarbonate |
Production laminated glass |
# # #
Contact:
Rick Voegelin
Chevy Racing
Communications