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3.90 vs 3.73

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Old 09-08-2009, 12:05 PM
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Default 3.90 vs 3.73

i was looking for a ford 9inch with 3.73 and found a whole rear with 3.90s do you guys think this will be to radical for a a4 that is street driven most days?
Old 09-08-2009, 12:15 PM
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Lots of people will give you their opinions, personally I see no issues with 3.90's in a dd a4 / 4.10s in a dd m6. I wouldn't go any taller thou.

But at the end of the day it is what you are comfortable with,

Check this out and work out your preferences:
http://www.f-body.org/gears/
Old 09-08-2009, 12:25 PM
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alright thanks man.. thought between 3.55 and 3.90 is good for autos as dd.. anything more then that is a no no
Old 09-08-2009, 12:31 PM
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3:90 is a nice all around gear for the A4 & M6 trannys, max on the A4's and min. on the M6's for the street.
Old 09-08-2009, 12:49 PM
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ok thank you.. hopefully i can work a deal out with this guy to get the rear




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