Du_tch
Well-Known Member
- Joined
- Feb 15, 2019
- Threads
- 3
- Messages
- 45
- Reaction score
- 38
- Location
- Glendale California
- First Name
- Hovsep
- Vehicle(s)
- 2017 Mustang GT, 2012 F-150 5.0
- Thread starter
- #1
Hey guys My 17GT PP has about 23k mikes on the clock. Ive always used Motul 5w-30 and last week I changed my oil and used Motul 5w-40 now I feel like this oil is too thick for the coyote motor. My car feels sluggish and hesitates when I get on throttle. Car is full time E-85 24/7. Is 5w-40 too thick? Keep in mind I drive this car HARD high rpm (7,600) about twice a week.
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