...oil to a lower viscosity at the low end and keeping the high end the same. i.e. If O.E.M. recommends a 10W30 dropped to a 5W30. This will give you coverage at the high side and lower viscosity at the ...
what kind of oil do you put in a 1992 ford ranger? 5w30
...5W30 as a recommendation for engine oil. Your truck would likely have enough mileage on it by now that you should consider moving up to a 10W30 or 10W40. Mileage in the area of 250,000 or more could ...
...colder weather i would use a 5w30 oil,10w30 is fine but the thicker 5w30 will get you quicker lubrication to the top end when the engine is cold and the same protection when the engine has warmed
...the best oil to use? A synthetic oil like Mobil1 is the BEST, but on a truck that old, it may not be the best choice. Any oil rated SM should be OK, use a name brand 5W30, Shell, Mobil, Castrol,
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