LS ROLLER ROCKER TEST-DO THEY WORK?

FULL RESULTS. LS ROLLER ROCKER TEST. WHAT IS A ROLLER ROCKER? HOW DO THEY WORK? IS THE POWER WORTH THE PRICE? DO YOU NEED MORE SPRING RATE? CHECK OUT THIS TEST ON A 4.8L WHERE WE COMPARE THE STOCK LS ROCKERS TO A SET OF COMP 1.72:1 ROLLER ROCKERS. SEE WHAT HAPPENS WHEN YOU DON'T HAVE ENOUGH VALVE SPRING.