Good Morning folks. Brother was asking bout this last night. I recommended M1 5w30 or 040 since his Yukon and new to him 08’ Tahoe don’t spec DEXOS. I’m sending him some old Fram ultra’s also. I personally have used nothing but 5w20 where I live and no issues. Our temps aren’t real bad in winter; though Christmas 2022 we saw 3 days below 0
That wasn’t fun
That wasn’t fun