Well, I scored a set of six (like new) 19.5 wheels and tires from a scrap yard that took them off of a GM bread truck before they crushed it. They bolt right up, and the center hub is a precise fit (I think that means they are "hub centric"), but the lug holes are a bigger diameter. Will it be OK to run these as is? (duals in rear) I was thinking of getting lug nuts with the tapered seat vs. the flat seat nuts that the truck had originally. I know the correct way to do this would be to take the hubs off, and install larger studs, but if I keep them nice and tight, is this really neccessary for a truck that will be getting light service driving? Just wondering what you all think......