Ryan Selcer
SHO Member
because in the winter In colorado when the temp is below 0 for a week or two at a time the oil thickens up so your essentially using 5w30 if you use 5w20You haven't explained anything. You say run a thinner oil in the cold. I say run the recommended weight in the cold. I showed an article pertaining to the 3.5 saying even in cold weather use the recommended weight. I asked for you provide literature from Ford saying use a thinner oil in the cold. You cannot provide it.
If you use a thinner oil, it reduces the film strength. That can cause increased wear, because the oil vacates the surface faster. Hence why you don't use WD40 for engine oil.
I got it, you clearly don't.
2010 SHO PP, axle back exhaust, 3 bar MAP, upgraded thermostat, iTSX tuner, 20" summer rims
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