Does anyone know if the front air dam does anything for fuel mileage on the 4wd models or is it worth it to remove it for offroad clearance and appearance? I know it's supposed to redirect air to the bottom of the front tires, but to my knowledge it's the same dam on ifs 2wd and the slightly...
I'm really trying to find frame dimensions for all of the different wheelbases/models of these 2nd gens. In early catalogues it talks about the half tons having shorter frame rails than the hd's, but I'm pretty sure the later quad cabs had identical frames( - suspension hangers) to 3/4 tons. My...
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