GaryBisiniere

Im buildin a 306 and im woundering if i should go with the edelbrock performer rpm with 170 or 210 cc intake runners?
thanks

myshifter

the 170's will give you a better throttle response and off-idle torque whereas the 210's have the capacity to be able to support the engine in the upper rpm range were the 170's will run out of velocity. On a small motor like the 306 I would stay with the 170's