For a few years now I've been toying with the idea of getting a Prototipo for my '68 911S, put the original wheel in storage and hopefully enjoy the drive more with a prototipo.

But I'd like to hear other's opinion on size, what is best? A 350mm or something larger, maybe a 370mm?

The original steering wheel is 400mm and is too big IMHO, but I'm wondering if 350 would be too small. I wouldn't consider going smaller than that

Thanks for your comments