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2005-2009 Mustang Information on The S197 {Gen1}

axle code and gear ratio

   
Old Jun 3, 2007 | 07:25 PM
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Clark Kent
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axle code and gear ratio
what is the axle code on my stock 05 mustang, and what is the gear ratio? im asking because im ordering a cai and tune.
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Old Jun 3, 2007 | 08:19 PM
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if your 05 is a auto 3:31 if its a stick its 3:55
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Old Jun 4, 2007 | 08:28 AM
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The 3.55 is an option isn't it?
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Old Jun 4, 2007 | 08:57 AM
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Originally Posted by Falchion
The 3.55 is an option isn't it?
For 07+
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Old Jun 4, 2007 | 09:12 AM
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OK, I see..........
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Old Jun 4, 2007 | 12:25 PM
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axle codes are listed on the sticker in the drivers door jamb
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Old Jun 4, 2007 | 03:43 PM
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If I change my gears can I just take it to the dealer and have them calibrate the speedo?
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Old Jun 9, 2007 | 12:20 PM
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Does having the 3.55 gear lower your gas mileage over the 3.31 gear ratio?

If I order an 08 GT, that might be a consideration.......
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Old Jun 9, 2007 | 03:32 PM
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Originally Posted by Glenn
If I change my gears can I just take it to the dealer and have them calibrate the speedo?
its better to get a tuner like the SCT or Diablo and do it that way, dealers will charge an arm n' leg.
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Old Jun 10, 2007 | 07:27 AM
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3.55's will lower gas mileage, but not by a lot. Maybe 1mpg?
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Old Jun 10, 2007 | 08:01 AM
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OK, thanks for the info. That's something to consider anyways.......

Originally Posted by theedge67
3.55's will lower gas mileage, but not by a lot. Maybe 1mpg?
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