2000 Mazda Miata tire and rim?

[babyjai]

if i was to get 17x7 or 17x7.5 rims on a stock 2000 mazda miata, what is the widest tire i could fit without rubbing? and how do 18;s look on the NB with a 40 on them? I havent seen any ont he picture thread

[babyjai]

so i have decided to go with a polished aluminum, is this something I get done or do i do the rim myself, im eay either way