CAN YOU MAKE 500 HP WITH PEANUT PORT BBC 454 HEADS? CAN YOU REALLY MAKE 500 HP WITH THE WORST POSSIBLE JUNKYARD BBC HEAD EVER PRODUCED? MAYBE THAT'S NOT THE RIGHT QUESTION, BUT CHECK OUT THIS VIDEO ON THE DIFFERENT BBC 454 (468) COMBOS I USED TO MAKE OVER 300 HP, OVER 400 HP AND THEN OVER 500 HP USING THE LOWLY PEANUT PORT HEADS. AS ALWAYS, THE BIG BLOCK CHEVY COMBINATION IS THE KEY TO SUCCESS, BUT IT'S ALWAYS EASIER WHEN YOU START WITH A BIG BLOCK!