rear differantial ratios
01-17-2017, 02:18 AM
#2
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2021 C6 of the Year Finalist - Modified
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Topdown12 (01-17-2017)
01-17-2017, 07:52 AM
#4
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2024 Corvette of the Year Finalist - Unmodified
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Manual trans. has 3.42 rear axle ratio
Auto trans. has either 2.56 or 2.73 ratio depending upon additional options
Auto trans. has either 2.56 or 2.73 ratio depending upon additional options
01-17-2017, 08:13 AM
#5
Race Director
01-17-2017, 09:15 AM
#6
Burning Brakes
Check the RPO codes in the glove box. If it shows GU2, you have 2.73 gears; if not, you have 2.56's. GU2 was part of the Z51 option for '08 and '09. It was also a stand-alone option for those two years, as well.
