GT1-GT2: Comparison Chart


Also click on these links were we guide you to the pages with more GT2 information:

GT2 IMAGES

GT2 SOUND FILE 2

GT2 INTERVIEW TRANSCRIPT

 

Charting the Changes: GT1 vs. GT2 Corvette C6.R

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

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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
300/32-18 (front)
310/41-18 (rear)

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

 

 

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