Bought a little Ford Ranger Edge. 2 wd 5 spd. It’s got the little 3.0 v6, Vulcan I think? Anyways says 5w20, will probably just use 5w30. Anybody have some good info on these? Nice little run around truck, hoping for 20 mpgs. 158k miles on the truck, with 27k on an engine rebuild. Thanks.