QUOTE(sixnotfour @ Oct 19 2013, 03:37 PM)
I had been using, Brad Penn would leak like crazy this not so much??
just my experience..wallmart has good deals on also..
I ran Mobil-1 (100% synthetic) in both the '84 (3.2L) and the '95 (3.6L) and didn't have any problems with leakage. But no ZDDP content killed valve guides in both engines. Experiences vary to be sure, but if I got a truly dry engine I wouldn't hesitate to use it.
I have friends that run Rotella in everything they own. It' good oil, but Zinc is the answer to lots of wear problems, especially with valve guides. I won't run anything other than high-zinc in the older engines.