Pointless. It's a port-injected naturally aspirated motor. 5w30 if you insist on going thicker, 5w40 at most. Don't follow the hivemind here at BITOGWould it be ok to run 15w40 in my 2012 F150 with the 3.7 cyclone, or will I risk problems with the Ti-vct system?
What's the difference between 5w40 and 15w40 in Louisiana? But I generally agree 5w30 in the 3.7Pointless. It's a port-injected naturally aspirated motor. 5w30 if you insist on going thicker, 5w40 at most. Don't follow the hivemind here at BITOG