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Performance axle ratio???

Old Jan 3, 2004 | 11:01 AM
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Default Performance axle ratio???

I am looking at used C5's with automatic transmissions. How do I tell if it has the performance axle ratio?

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Old Jan 3, 2004 | 11:45 AM
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Default Re: Performance axle ratio??? (Dave-T)

G92 - 3.15 rear on auto's

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Old Jan 3, 2004 | 12:00 PM
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Default Re: Performance axle ratio??? (Dave-T)

on the glovebox door look for g92 option
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Old Jan 3, 2004 | 01:11 PM
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Default Re: Performance axle ratio??? (blktie8)

a few methods here:
Determine your C5 A4 rear axle ratio


[Modified by Mike Mercury, 1:20 PM 1/3/2004]
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Old Jan 3, 2004 | 08:34 PM
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Default Re: Performance axle ratio??? (Mike Mercury)

If it won't turn the wheels over hardly at all -- it has 2.73's! :cheers:
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Old Jan 4, 2004 | 01:26 AM
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Default Re: Performance axle ratio??? (Dave-T)

Dave good luck with your search.
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Old Jan 4, 2004 | 02:48 AM
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Default Re: Performance axle ratio??? (REDGAR)

good luck , when you find one the 2.73's or 3.15's won't be enough. 3.42 or 3.73's is what you will want soon. :yesnod:
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Old Jan 4, 2004 | 09:31 AM
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Default Re: Performance axle ratio??? (MC TORCH RED)

Yeah. I plan on going with 3.73's. Does it make a difference on ease or cost of upgrade to the 3.73's if you have 2.73's or the 3.15's. I am guessing it does not since they are both Dana 44's. Is this correct.
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Old Jan 4, 2004 | 03:21 PM
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Default Re: Performance axle ratio??? (Dave-T)

Dave I am pretty sure the 2.73 is a defferent case and cannot be rebuilt to be a different gear.

A 3.15 uses the same case as the taller gears so you can have it rebuilt to the gear you want.

If you are going to buy new 3.73s the the 2.73 will make you feel better when you spend the mone cause it is a bigger jump;)

If you are going the rebuild route, get the 3.15.

I think the rebuild route is a little less expensive.
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Old Jan 4, 2004 | 04:50 PM
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Default Performance axle ratio???

Good luck Dave. C5's are VERY nice. :cheers:
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Old Jan 4, 2004 | 05:04 PM
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Default Re: Performance axle ratio??? (1g1yy)

If it won't turn the wheels over hardly at all -- it has 2.73's! :cheers:
:(
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Old Jan 4, 2004 | 08:29 PM
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Default Re: Performance axle ratio??? (REDGAR)

Dave I am pretty sure the 2.73 is a defferent case and cannot be rebuilt to be a different gear.
That was the case; but recently a forum vendor (I can't remember who) can re-gear the 2 series case... but they're the only source that I know of.
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Old Jan 5, 2004 | 02:31 AM
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Default Re: Performance axle ratio??? (Mike Mercury)

that would be DTE http://www.dynotech-eng.com/
good prices too :smash:
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