Looking for Parts to build engine

I am building a 360 for my 74 plymouth scamp this is my first build i would like to use used parts if possible as im not exactly rich so if any body has any parts laying around i would be interested let me know what you got i havent started the project yet im just collecting parts and then im ganna send it to the machine shop so far i have just the long block pulled from a 73 dodge pickup im ganna stroke it to a 408 so i am looking for bigger heads and all the other goodies