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Rear End question

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Old Dec 7, 2011 | 08:06 PM
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Ok fellas i have a couple newbe questions for ya.. im tryin to purchase a rear end for my DD 98 z28 A4 with Tc and ASR. I seen one off a SS same yr but its a m6 with 3:42.. i dont know it will bolt on directly. help anyone!
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Old Dec 7, 2011 | 08:11 PM
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As long as it also has tc it will bolt right in. Sending PM.
Carl
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Old Dec 7, 2011 | 08:26 PM
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As in above reply,if the replacement rear has 4 channel(ABS & ASR/TC),It's a direct bolt in.
Since the M6 rear is going in an A4 car and you didn't state what rear gears(2.73 or 3.23)you currently have,your speedo will be off. If you have 3.23s,it'll be 6% off,if you have 2.73s',it'll be 25% off.
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Old Dec 7, 2011 | 08:42 PM
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I bought the car off an old man so most likely there still stock. how could i find out that i actually have.
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Old Dec 7, 2011 | 09:05 PM
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simplest way,2.73s' came with a steel driveshaft,3.23s' came with an aluminum driveshaft.
option codes:GU2=2.73,GU5=3.23
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