Hi all,
I have a 2001.5 Audi S4 with 160,000 miles, it has been tuned to run at 24 lbs of boost and was dyno'd at 442 AWHP and 460 AWTQ. My question is this: Currently I use Rotella T6 5W40 synthetic oil every 5,000 miles, but my oil temperatures have been getting a bit high (for my comfort)...