WHAT IS THE BEST CYLINDER HEAD FOR MY 5.0L FORD? WHY I CHOOSE THE 185 AFR OVER THE 165 AFR HEAD.

SOMETIMES BIGGER REALLY IS BETTER! ARE THE 185 AFR SBF HEADS BETTER THAN THE SMALLER 165 HEADS? SHOULD I RUN THE SMALLER HEAD ON A MILD 5.0L? WHICH HEAD FLOWS BETTER? WHICH ONE CAN SUPPORT MORE POWER? DOES EITHER HEAD LOSE POWER COMPARED TO THE STOCK 5.0L E7TE HEAD? WHICH ONE MAKES MORE LOW-SPEED TORQUE? CHECK OUT THIS VIDEO WHERE I COMPARED THE 165 VS THE STOCK 5.0L HEAD, THEN THE 185 VS THE STOCK 5.0L HEAD, THEN DECIDED WHICH ONE IS THE BEST! FULL AIRFLOW AND DYNO DATA. CHECK IT OUT.