nick20s
Well-Known Member
- Thread starter
- #1
I heard from this awesome former Ford technician in the video below that Ford recommends 5w-20 synthetic blend just to meet cafe standards for fuel efficiency and to prove low cost of ownership, but actually the 5w-30 full synthetic is the best for engine protection.
Is this true for 2019 Mustang GT?
Will 5w-30 full synthetic void the manufacturers warranty?
Is this true for 2019 Mustang GT?
Will 5w-30 full synthetic void the manufacturers warranty?
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