Quote:
Originally Posted by SIX8YAK
Speaking of synthetics... That Mobil 1 15w50 has been piquing my interest. I use VR1 10w-30, but my new 461 has me contemplating going the synthetic route.
How many of you use it?
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Obviously I do - and have been since 2013 when I had my 462 built.
My engine builder recommended 20W50 and I originally used Brad Penn after the break in period. But I couldn't buy Brad Penn locally - I had to order it.
I had been running Mobil 1 0W40 (also has good ZDDP numbers) in my wife's Camaro with the 350 for about 10 years.
So I contacted Mobil Oil and asked them for their recommendations on oil for my 462 with a flat tappet cam - and the 15W50 is what they recommended.
I liked the idea that it was rated 15 at the low end - because I actually do drive my GTO in cold weather at times. The pour point being so low is an excellent benefit. As Pontiacs run hotter than Chevy's - I like the 50W on the top end.
Add the fact that I can go into most box stores and pickup a quart or a case at reasonable prices makes it a solid choice in my mind.