When to change to Synthetics????
Edit: Oh yeah, I'm a loyal Redline user and would recommend the following of their products - 10W-30 in the engine, D4ATF in the A4, and 75W-90 in the rear.
HTH
<small>[ October 02, 2002, 09:05 AM: Message edited by: Fulton 1 ]</small>
Fulton, are all your recs. at the bottom sold by redline? </font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">Yes, they're all Redline products and all are very common so any place that carries RL should stock them.
Check out http://www.redlineoil.com for more specific info.

