Quote Originally Posted by redrumracer
from what i remember about leaded gas is that it also had something to do with the valve seats being soft or something like that. with modern engines and hardened valve seats you dont need to run leaded except if you want to raise the compression higher. or something like that.
The main reason I was asking about leaded fuel is just to see if I would be limited to using unleaded race fuel or if I could broaden my research into the leaded territory.