15s and 20s make the wheels and tires I have flush with the body without contact and rubbing (negative camber on the rears make the bottom half come out). I would have thought this to be quite a common arrangement. Anybody else have 15s and 20s on the rear???
I would think if the offset value of the wider wheels you are considering is the same as the old then, you would gain room for them on the inside with spacers but I think the offset distance will surely change and you will end up rubbing. Also, as far as I know you would have to match/change the wheel size with any change in tire size
Spacers do give you the effect of wider tires and increased track width.....and seem to give a positive roll centre change making the car more sure-footed. Anybody have negative experiences??
Perhaps a wheel and tire expert could chime in????
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