I would recommend criss-crossing the tires. From front to back, same side is normally used for directional tires. Criss-crossing will allow for more even tread wear.
As for the spare? I know they recommend using the spare, but in about another two hundred miles, I will be doing only the four on the ground; but that is my personal opinion and disagrees with the tire people.
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Black Sheep Hummer Squadron
(ME TOO)
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