I need a new radiator, I'm seeing Koyo at around $220, Denso around $250, , OEM for $380, and Mishimoto for $490. For a rig that is going to be used strictly for 4 wheeling/overlanding, what would you pick? I anticipate a heavy payload with all of my gear, but no towing, if that makes a difference. Is it still a good idea to stick with OEM or get the mishi, is the mishi worth the extra money over the OEM? My truck is a '99 with 245k on it so I want something that works well, obviously. What would you pick?