NEED EARLY 50s CHRYSLER SPITFIRE 6 ENGINE. CAN ANY ONE DIRECT ME TO A SORCE FOR INFO.ON FLATHEAD SIXES? WHAT YEARS HPs CHANGED,CUs, WHAT YEAR HAD THE MOST HP AND SO ON. <img src="http://forums.aaca.org/images/graemlins/grin.gif" alt="" /> thanks BILL