Ok so to end this thread lets remember we're all here because we have a common interest, that being datsun vehicles. Everyone who posted please look at the post right above this one by izzo. It is the only one that has information relating to what I had originally asked about. I'm not going to argue the points I made as I think I was clear when I said the truck had an engine swap and I was not sure what it was exactly, this probably being that the guy I bought it from didnt know anything about the truck as well as myself. As for being told I was crying like a noob by a senior member of this forum. Thats just where you need to check yourself buddy. I would think you should have more common respect for new members here and realize that if someone is asking for help it probably means that they actually need help and are not just running bs to clog shit up here. This, as far as I know, is not high school so grow up and stop being a douche.
Thank you izzo btw, your info helped in narrowing my search for what I need, however I do believe that that rad I need is just not made and it would be too pricey to have one fab'd. I'm just going to modify the space for a new 720 rad that wont have me in the spot again.