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Old Oct 15, 2020 | 12:55 PM
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Default A6 Transmission

Hi all, sorry if this is the wrong area but it does pertain to performance.

I was wondering if there is a reason that I'm having a hard time finding a shop/company that will build up a 6 speed auto ? Everyone seems to only offer a package for the 4l80e but not the six speed series.

One shop said this "Its the tuning thats a issue for the 6l80e" but they never expanded on that statement.

I just want my trans to be reliable with 500-600whp

2008 A6 Base

Thanks!
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Old Oct 15, 2020 | 01:33 PM
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A new one from dealer or a solid stock rebuild will last a long time with the proper tune. IF 600rwhp is all you want, just buy a new one, add a nice trans cooler (a must) and find a GOOD 6L80 tuner - you'll be set.
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Old Oct 15, 2020 | 01:44 PM
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Originally Posted by da6speed
A new one from dealer or a solid stock rebuild will last a long time with the proper tune. IF 600rwhp is all you want, just buy a new one, add a nice trans cooler (a must) and find a GOOD 6L80 tuner - you'll be set.

Thats actually pretty amazing to hear! My current trans lets go hard when it goes up from 2-3 or down 3-2 so it made me question it but if new stock is all that I need paired with a good tuner then I'll definitely go that route.

P.s you would happen to have a recommendation for a good tuner would you haha
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Old Oct 15, 2020 | 04:48 PM
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Century transmission in Texas build top quality A6 trannys
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Old Oct 15, 2020 | 09:33 PM
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I’m in NY also, nobody local here I would trust, Circle D also in Texas rebuilt mine and it’s SC’d @ 540whp. They do very good work.
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Old Oct 16, 2020 | 07:29 AM
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There is a reason the big transmission guys (Rossler, RPM, etc) won't touch an A6. I have a Rossler A4 in my '98 C5 that has been bulletproof over hundreds of drag strip passes. I have a Century A6 in my '12 C6. I have nothing bad to say about Century but the A6 has been "finicky". If I had it to do over again I would have invested in the RPM A6 to A4 retrofit.

Last edited by BIGMAC; Oct 16, 2020 at 07:30 AM. Reason: typo
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