GMTMark
I'm Awesome
I use Mobil 1 5w30 without any problems at 160,000 on the factory engine. Factory oil pressure gauges are not accurate.
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How high ppm does it have in zinc and phosphorus? FWIU if you get too high of a concentration, it'll plug your cat.
Here in MN, my last brand new truck was a 2013 F150. Going into its 3rd winter, the seams at the bottom of the doors were bubbling up. Making big payments on a truck that was already rusting - NEVER again!
Winter wins up here.
If only the DOT would use spread something else on the roads other than the chloride ****. Definitely can't wait until winter is over, sadly it has just begun.