this spring me and my buddy are going to have a build off i'm going to build a351w and he is going to build a 350. the only rule is they must be n/a. he is going to buy the trick flow kit out of summit that claims it makes 500 hp with a vic jr intake and holley 750dp. my plan is to get a set of trick flow r series heads a vic jr intake a 750 dp carb and a custom cam. will the stock pistons work with them heads. about how much hp will it make? any other suggestions