ok i am not going for the engine. it's the 1980 fuel injected bad news brown engine. down to plan B. an engine rebuild. to save money, that i may not have, i am goin to take this on myself. how hard is this. i am pretty sure i can do it, but i dont have the tool to pry that cam pieces apart. i am figuring i have to get new pistons... is this true? any out there with some tech knowledge let me know. i have been taking giant leaps in knowledge with your help.