Even though I run Mobil 1 in all of our vehicles, I think you'll find dino oils will protect your engine just as well. The caveat is you have to change dino more frequently. Do you want to crawl under your truck once a year or twice a year? The increased cost of synthetic is balanced out by being able to run it longer between changes. Which makes it less expensive when you place a value on your time.
Crawling under a vehicle to change the oil in the winter is a pain in the ass. Either you freeze your hands off doing it outside or you have to deal with metling slush, road salt and gunk dripping on you if you pull it into the shop. Another plus with synthetic oil.
