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      08-01-2012, 09:00 AM   #44
mdosu
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Drives: Double Vanos'd Civic-M3
Join Date: Oct 2009
Location: San Francisco

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Anyways, heard anything from the 4.2 R8 camp as well?


Quote:
Originally Posted by Xtopherus View Post
Prior to the switch to the supercharged V6, the 4.2 V8 in the S5 definitely had carbon build-up issues. The image below is from an S5 thread, from 2010, on one of the Audi boards. I'd link the thread directly, but I'm not sure if that's frowned upon here.



Maybe Audi has finally addressed the issue, but the engine is just a slightly modified version of what you'll find in the old RS4 and V8 R8 and I doubt there's much they can change at this point. The problem isn't insurmountable; the build-up can be removed. It's just something you'd have to be aware of and eventually deal with. Obviously it's not a huge issue if you choose to lease an RS5.
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