Quote:
Originally Posted by hypermiler01
No, smaller isn't better. 13 is the smallest practical size that you can get good passenger car tires for.
Smaller diameter tires will spin faster (more bearing friction) and handle bumps and potholes poorly.
I just got a set of 14 x 5.5 inch aluminum RX7 wheels for my Geo, running 175/65R14 tires.
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That's what I was afraid of.
I was under the impression that lighter wheels caused the suspension to handle bumps and potholes better... Does the physical size of the tire and it's attendant flexibility affect this as well?
The other consideration for size I have is reducing the size of the necessary hole in the underside of what would otherwise appear like a plane.