Originally Posted by Drew P
My money is on less than 16 degrees.
16 deg with a 9.55 pulley and 93 octane is what I was able to run. With half and half 104 octane and 93 octane I ran 20.5 deg advance and picked up another 5 mph in the 1/4.
Ted, I was just curious average above 4000 rpm how much timing it could tolerate. I know it varies with RPM but where do you max out?