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Hi everyone I am a new owner of a 2014 F250 with a 6.2. The owners manual says to use 5W-30 motor oil but the fill cap on the motor is marked 5W-20. What is the correct viscosity to use? Thanks in advance RC
Interesting my 2000 V10 said 5-30 in the manual and that's what I used from new, there was a bulletin to use 5-20 but I still used. My 2013 6.2 says 5-20 and that's what I will use.
Denny