By Ford performance...
is 15/50 So, since I cannot find that viscosity, I am using 20/50 Valvoline racing (street)
oil, and I am glad I am, since my motor is still running hot in traffic/cruise conditions. Break-in and all that
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James Madison, father of the Constitution, said, "If Tyranny and Oppression come to this land, it will be in the guise of fighting a foreign enemy." He also said, "No nation could preserve its freedom in the midst of continual warfare..."
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