Apr 3, 2012 · Base block is the same for the C5 4.2, S6, D2 A8 and S8. The RS6 is based on the same block, but it's internals are different to withstand boost. 300/300 was pretty good for the …

Apr 18, 2009 · Forum: C4/C5 A6/S6/RS6/allroad. Discussion Forum relating to the C4 and C5 platform A6, S6, RS 6, and allroad.

May 9, 2010 · The C5 S6 has the timing belt V8, which is very reliable - as opposed to the timing chain V8. The biggest engine related issue is probably the intake manifold actuation system. …

Aug 10, 2017 · Google and the forum seem to be few and far inbetween for help. I am 99% sure I am picking up a C5 S6 this weekend. It is stock except for H&R anti-roll bars. I will want to …

Aug 10, 2017 · Luckily I had a guy that was a friend of a friend and local to the car check it out before I bought train tickets to go and see it for myself. He did a thorough inspection as he …

Nov 24, 2009 · C5 S6 has different cam profiles, different MAF, different exhaust manifolds, different down pipes, a different intake manifold and slightly higher compression yielding 40+ …

Oct 24, 2013 · About 9-10 months ago, my S6 was having a warm engine starting problem, seemingly in warm weather. After the engine/car was shut down after driving for a while …

Jun 19, 2020 · I finally got an email back from Audi relating to the number of colors produced for the 2002 S6 (specifically mine in amulet red with black interior), and as numbers for specific …

Dec 1, 2022 · Brake pads fit perfectly with no overhang, and the e-brake cables hook up just like doing the S4 upgrade on any C5 Allroad. The only things I had to do were use one washer on …

Oct 24, 2013 · The supposed "S6" kit is just the normal C5 kit. The front is beefy enough I would just keep it stock, understeer is already problematic w/ our front engine chassis. 03-08-2018 …