5.3L L83 & 6.2L LT1 INTAKE TEST. L83 V L86 V MSD ON 5.3L. STK VS MSD ON LT1. CHECK OUT THIS VIDEO COMPARING THE STOCK L83 INTAKE TO THE 6.2L L86 INTAKE TO THE MSD INTAKE ON A BTRCAMMED 5.3L L83. ALSO TESTED THE STOCK LT1 INTAKE VS MSD ON A CAMMED LT1 INTAKE. IS THE L86 INTAKE AN UPGRADE FOR THE STOCK L83 INTAKE ON THE SMALLER 5.3L? IS THE MSD RIGHT FOR YOUR 5.3L? HOW MUCH POWER IS THE MSD WORTH ON THE LARGER 6.2L LT1?