a buddy of mine told me if i put 10:1 comp postons with aluminum heads i can still run pump gas but if i run cast iron heads i cant. how much horsepower can stock 302 rods take? cluld they take 350 horsepower if they have arp bolts? also my dad give me a cam it is a crane cam it was give to him and he dont know nothing about it except it has an advertised duration of 292. is that too big? i havent really had time to get on here since i go to school. anyway thanks for the help.