If you do try and build it to use with the iron heads first, BE SURE you use pistons for the newer smaller chambers. I had to cut .008 off (IIRC) my pistons to get piston to head clearance
Let's start with budget and intended uses. My 408 cost north of $10k with nothing really exotic done to it. There's a lot of guys here that can help you build a hot street 360 for way less than half of that amount. Also, are your brakes and suspension set up for 450-500 hp that a stroker will produce?