Chevrolet 2012 Corvette Owner's Manual page 251

For vehicles with a 2.56:1 Axle
Ratio (RPO GM8)
Up-shifts to 4 (Fourth) gear
require approximately
35 km/h (22 mph).
Up-shifts to 5 (Fifth) gear
require approximately
45 km/h (28 mph).
Up-shifts to 6 (Sixth) gear
require approximately
65 km/h (41 mph).
To prevent damage to the
powertrain, Manual Paddle
downshifts to a lower gear cannot
be done above certain speeds.
The maximum speed allowed for
downshifting of gears 1 (First)
through 4 (Fourth) are:
Into 4 (Fourth) gear over
250 km/h (155 mph).
Into 3 (Third) gear over
188 km/h (117 mph).
Into 2 (Second) gear over
120 km/h (75 mph).
Into 1 (First) gear over
68 km/h (42 mph).
For vehicles with a 2.73:1 Axle
Ratio (RPO GU2)
Up-shifts to 4 (Fourth) gear
require approximately
31 km/h (19 mph).
Up-shifts to 5 (Fifth) gear require
approximately 39 km/h (24 mph).
Up-shifts to 6 (Sixth) gear
require approximately
57 km/h (35 mph).
To prevent damage to the
powertrain, Manual Paddle
downshifts to a lower gear cannot
be done above certain speeds.
Driving and Operating
The maximum speed allowed for
downshifting of gears 1 (First)
through 4 (Fourth) are:
Into 4 (Fourth) gear over
234 km/h (145 mph).
Into 3 (Third) gear over
176 km/h (109 mph).
Into 2 (Second) gear over
113 km/h (70 mph).
Into 1 (First) gear over
64 km/h (40 mph).
If the driver does not request an
upshift as the engine speed
approaches fuel shut off rpm, the
engine speed will be limited to
protect the engine. See Tachometer
on page 5 12 for more information.
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