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Help with rear end

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Old Aug 8, 2017 | 09:53 PM
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Default Help with rear end

I have the opportunity to pick up a very low mileage C6 Grand Sport 2.76 differential. I have a base model ‘07 and want to know if that is a bolt In swap before I buy it. Thanks
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Old Aug 8, 2017 | 10:11 PM
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RicK T
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Need to clarify, are you talking about the whole differential case and guts or just the guts? Also, what year GS? It may make a difference. Is your '07 an A6 or M6 trans?

Just FYI, there was no 2.76 diff. The GS's were 2.73 with the A6. Just sayin'.

I probably can't answer you but there will be others here who can, so if you can provide the additional info it would help.
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Old Aug 8, 2017 | 10:19 PM
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RPM Transmissions (forum vendor) lists Grand Sport manual rear ends being interchangeable with ZO6s. So you would probably need one from an automatic model.
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Old Aug 8, 2017 | 10:24 PM
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Originally Posted by RicK T
Need to clarify, are you talking about the whole differential case and guts or just the guts? Also, what year GS? It may make a difference. Is your '07 an A6 or M6 trans?

Just FYI, there was no 2.76 diff. The GS's were 2.73 with the A6. Just sayin'.

I probably can't answer you but there will be others here who can, so if you can provide the additional info it would help.
2.76 was a typo. My car is an A6.
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