Reddevil5.0
Member
- Joined
- Apr 23, 2022
- Threads
- 4
- Messages
- 19
- Reaction score
- 2
- Location
- South Carolina
- First Name
- Slim
- Vehicle(s)
- 2019 mustang gt
- Thread starter
- #16
What you recommend?This was long discussed back in the early Coyote days. Numerous analysis reports show that the motorcraft 5w50 very quickly shears down to a 40-30 weight. Running a higher quality 30 or 40 weight will be just as good.
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