My truck has bias ply tires, 700-16 (30" dia) in the rear and 600-16 (28" dia) in front. Which size spare should I get? I don't want to tear up the rear end with mismatched tires, and I am also concerned about steering with two different size tires.


'54 GMC 1/2Ton
'03 Chevy Z71 Stepside
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