TURBO LS HEAD TEST-317 VS LS3 (NA & TURBO)

LS REC PORT VS CATH PORT-FULL NA & TURBO DYNO RESULTS. 317, CATHEDRAL-PORT, 6.0L TRUCK HEADS VS 823, REC-PORT, 6.2L LS3 HEADS, TESTED BOTH NATURALLY ASPIRATED AND WITH A SINGLE PTE TURBO! DOES A BIGGER HEAD MAKE MORE POWER NA? DOES IT MAKE MORE POWER UNDER BOOST WITH A TURBO? DO YOU REALLY NEED MORE HEAD FLOW WITH A TURBO? IT'S ALL HERE!