Smart = 3x112
Dodge/Common = 6X139.7/6X114.3
2.3mm is a little far, I think.
1/10 of an inch would probably still allow the wheel to bolt on, but I don't see it being safe, because the lug nuts would be applying shear forces on the studs, rather than just pulling force.
Anyone w/ a Smart willing to try it?
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