Originally Posted by MotorBicycleRacing
I don't think there are any piston ramps on the Arrow Street Motor.
It does have good port timing though. I will ask Dave.
I called him the other day and he highly suggested to not "notch" the piston on that motor. His motors are tuned for maximum power and it would hurt the timing.
Im still deciding if I want one of Daves "Big Block" top ends.
Neil, you have any thoughts on the Big Block Reed cylinder?
Oh and Happy Thanksgiving : )