VORTECH YS1 VS TWIN S475 TURBOS. JUNKYARD BBC BOOST BATTLE. CHECK OUT THIS VIDEO WHERE I RAN A CAMMED AND CARBURETED, GEN-6 454 FROM THE JUNKYARD, FIRST WITH A VORTECH CENTRIFUGAL YSI SUPERCHARGER (INTERCOOLED AND NON INTERCOOLED), THEN WITH A PAIR OF S475 TURBO (YEAH, I KNOW-TOO MUCH). NATURALLY THE TWIN TURBOS SET UP WAS INTERCOOLED AS WELL. HOW DO THE BOOST CURVES COMPARE? HOW DO THE POWER CURVES COMPARE? CHECK IT OUT-BONEYARD BOOST BABY!