When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
After searching for a while I see that some use weight of synthetics other than 15w-40.
So when going to synthetics what is the one to use for our trucks.
Living in a mild weather with 30f-110f degrees year span???
I got a good deal, or what I think, on Royal Purple 15W-40. Paid about $78 for 4 gallons.