is there a side wall diff in they two or not and if i roll a set of 55 to soften them will it take side wall stiffness out of the 55
Yes and Yes
Thats what I want is the high spring rate bit soft tread how is a good way to do it any way to soften 55and keep side the same
There ya go. ^ Right on, rp. That is all I was trying to say. Didn't mean to ruffle any feathers.