What do you guys think is the optimal size? What do you think about these?

check out the 6ith post the one from the guy selling the 305"s xsmallpaulx
305/35 18 $900
https://my350z.com/forum/forced-induction/238632-rims-for-use-with-dr.html
I havent heard of many people using sizes that big before, what do you think

 

Optimal size for what wheel/offset? For what set-up? What power level? How low are you dropped? You need to post more info.

 

set up for 500+ APS TT dropped 1.5" with Brembo's
offset? 17" ?

when it comes to DR all I have is ???