Nothing there matters.
Just jack up one rear tire, make a chalk mark on the tire, then turn the
drive shaft by hand and count the turns necessary to rotate the tire one
thats the gear ratio ie. say 3.73 to one or whatever.
be sure and block the truck so it does not roll, and put the transmition in
neutral so you can turn the shaft.also place a block or jack stand under the
truck so you are not made thin.
oh, just to read a book is wonderful.
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