MEGA POWER, SBE, JUNKYARD 5.3L BUILDS. WHICH ONE WOULD YOU CHOOSE? 512 HP VS 542 HP, IS MORE POWER REALLY BETTER? HOW HIGH CAN I REV A STOCK JUNKYARD 5.3L LS? ALL-ALUMINUM L33 BUILD UP. WHAT HAPPENS IF YOU ADD A BTR RED HOT CAM AND FAST INTAKE TO JUNKYARD 5.3L? WHAT HAPPENS IF YOU STEP THINGS UP EVEN FURTHER WITH PORTED AND MILLED TFS 220 HEADS AND A PORT MATCHED FAST INTAKE? WHO WANTS SOME HIGH-RPM POWER WITH AN EVEN BIGGER STAGE 4 BTR LS3 CAM (YEP-IN A CATH PORT 5.3L) AND TRINITY INTAKE MANIFOLD? WHICH ONE WOULD YOU PICK, THE 542-HP, 7,700-RPM SCREAMER OR THE 512-HP TORQUE MONSTER?