School me on wheel size and off-set.plaese

[FrankieD]

Here are a couple of web sites that should tell you all you need to know.

This one shows you how to measure off sets front and rear and rotor clearance and how to measure lug patterns

https://www.rsracing.com/tech-wheel.html

This one will show you the physical size differences of tires compared against each other height and width.

http://www.miata.net/garage/tirecalc.html

Hope these help.

Frank