Originally Posted By: 4ever4d
Motorcraft 5w-20 or QSUD 5w-20 would be my choice of the 20's.I have used both and can say both work well but as stated don't look for any mpg gain with either.I get about 20.5 mpg out of my old Merc. 4.6L on these oils.
I average 19.5 mpg in a Ram 1500 Crew Cab 4x4 4.7L with PYB SN 5W20 but I doubt that means anything. The primary difference is always going to be the nut behind the wheel.
Motorcraft 5w-20 or QSUD 5w-20 would be my choice of the 20's.I have used both and can say both work well but as stated don't look for any mpg gain with either.I get about 20.5 mpg out of my old Merc. 4.6L on these oils.
I average 19.5 mpg in a Ram 1500 Crew Cab 4x4 4.7L with PYB SN 5W20 but I doubt that means anything. The primary difference is always going to be the nut behind the wheel.