5.7L LS1-HOW MUCH POWER ARE HEADS, CAM OR INTAKE WORTH? CHECK OUT THIS VIDEO ON THREE DIFFERENT TESTS RUN ON STOCK AND MILD 5.7L LS1 TEST MOTORS. WE COMPARED THE STOCK LS1 HEADS TO RHS HEADS. WE COMPARED THE STOCK LS1 CAM TO A COMP CAM. WE COMPARED A 5.3L TRUCK INTAKE TO AN EDELBROCK PRO FLOW ON A MODIFIED LS1. HOW WELL DOES THE ORIGINAL 5.7L RESPOND TO PERFORMANCE MODS?