CUSTOM DUAL OVALBLADE UPPER INTAKEWHAT'S IT WORTH? HOW TO MAKE 5.0L FORD POWER. HOW MUCH POWER ARE ROLLER ROCKERS WORTH ON A 5.0L FORD? HOW MUCH POWER IS A CUSTOM ACCUFAB UPPER INTAKE WORTH ON A 5.0L FORD? WHAT HAPPENS IF YOU ELIMINATE THE RUNNER LENGTH IN THE UPPER INTAKE? ARE TWO THROTTLE BLADES BETTER THAN 1? DOES THE 5.0L FORD NEED MORE AIRFLOW? CHECK OUT THIS VEIDEO WHERE I WORKED WITH LEGENDARY 5.0L FORD GUYS MARK SANCHEZ AND JOHN MIHOVETZ TESTING A SET OF ROLLER ROCKERS AND THEN A CUSTOM (1OFF) UPPER INTAKE FROM 1990 THAT FEATURED DUAL OVAL THROTTLE BODIES. HOW MUCH POWER WERE THE MODS WORTH?