The 5w50 is great... for a racecar, not a daily. That weight is only used in cars that are thrashed on a daily basis. Its a race oil plain in simple. It might sound cool, but without a built motor, or excessively high cylinder head temp its really pointless. Might at well put some good old Rotella T 15w40 in there.
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'13 5.0 in deep impact blue, "The Blue Goose"
A few mods, just a daily.
94 F150 302
New project, thinking built, procharger, powerglide, tubbed, super sleeper 
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