hi tim
its currently wearing 16" 5 lugs (63 corvette frnt wheels and 73 chevelle rear wheels)
but i can change wheels as well as tyres as ill keep these for summer months
so any size wheel that fits limitation of stock frame/steering is ok
diameter has also got some flexibility due to -
https://www.stovebolt.com/ubbthread...edometer_-_easy_way_to_.html#Post1200156really looking to get more grip for safety or ill end up in a ditch on these icy mountain roads. i slipped the other day on a dark narrow tree lined lane and hit a big tree. i thought for sure i had caused a lot of damage based on the sound of the collison yet weirdly i couldnt find a scratch....when i went to refuel later i discovered that i couldnt open the fuel cap...it was actually the cap that hit the tree! it took a bit of effort to get it open- lucky
cheers
mike