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C5 Auto Diff Ratio ??

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Old Mar 27, 2003 | 08:50 PM
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Default C5 Auto Diff Ratio ??

My brother has an auto 99 coupe, what would the diff ratio be on that one?? BTW we are in Aussie that's why we know jack sh about these things here...
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Old Mar 27, 2003 | 08:55 PM
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Default Re: C5 Auto Diff Ratio ?? (56vett)

Base ratio was 2.73. Optional was 3.15.

Look at the glovebox sticker RPO (option) list...if G92 appears, it's a 3.15. If not, it's 2.73.

:cheers:
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Old Mar 27, 2003 | 09:08 PM
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Default Re: C5 Auto Diff Ratio ?? (56vett)

The sticker in the glovebox says GM Parts list and has heaps of prefixes on it including G90 & g 92 that is the only sticker, maybe it has no options fitted ??
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Old Mar 27, 2003 | 09:42 PM
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Default Re: C5 Auto Diff Ratio ?? (56vett)

56vett; look here:

determine your C5 rear axle ratio


[Modified by Mike Mercury, 9:42 PM 3/27/2003]
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Old Mar 28, 2003 | 03:16 AM
  #5  
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Default Re: C5 Auto Diff Ratio ?? (56vett)

The sticker in the glovebox says GM Parts list and has heaps of prefixes on it including G90 & g 92 that is the only sticker, maybe it has no options fitted ??
Since the sticker says G92 the car has a 3.15 axle ratio.

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