On this dish topic. When you measure for your wheels you will have 2 numbers. the space inside your wheelwell. say is 13 inches total. give yourself some room, say 1 1/2 inches on either side. That leaves you 10 inches to play with. (Don't we all wish.) what you have to figure out now is where to line up your wheels hub to use all that room.
So measure across that 10 inches and put a straight edge from the face of your rotor/drum (where the wheel bolts to) up to your tape measure. The number your staight egde lines up with is your negative backspacing, if you measured from inner fenderwell out. Positive backspacing if you measured from the outside fender lip into the center.
How much dish a wheel has is the result of backspacing and what the wheels made of. A steel wheel will be thinner than an aluminum
wheel and have more dish even though it measures the same backspacing. You measure the dish from outside the rim to OUTSIDE center hub. Backspacing is always measured to the inside face of the center hub.
I don't know evrything and I ain't to old to learn, but I have never seen a set of wheels sold by the "dish" they have.
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Prophetstown, IL.
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