picked up a 63 gmc long bed

[63gmc]

Hey guys I'm new here first of all so take it easy on me haha. I just picked up a 63 gmc long bed 8lug truck on saturday for 400 bucks. From what I found from the numbers on the block it has a 230-250 inline 6 in it. Not sure exactly. Any tips on figuring that out so I can order an engine rebuild kit? Also do any of you guys have an idea how much it will cost to go through the engine and clean it up and rebuild it back to stock? It has a 4 speed manual in it as well. Which transmission is that? It seems to go through the gears easy just sitting there. Any tips on how to tell if the tranny is fine?
pics of it at the guys house that I got it from



plans for it are to get it running and bag it and flat black it and drive it everyday so i dont have to drive my new truck.

thanks