Well the show got rained out - quick soggy pic from us waiting to get in - our silver dually with the Willys and Ben's blue 2500 with the Dak -



Meanwhile, as I'm waiting for the rain date to be determined, it's back in the shop for continued work. This morning I installed a just-sourced radiator from rockauto - found one with a 1.5" core (apparently for the V8 trucks), vs the 1.25" core I had in it apparently intended for a V6.

Filled it with coolant and checking for leaks now. Just this alone might be the sole reason it was running a bit warm, but a 1/4" thicker core is a lot, and I'll know for sure soon. I will be verifying I have the base timing dead nuts, and if that and/or the new bigger radiator don't resolve the running warm issue then I'll go with a stronger (or at least new) fan clutch, then a fan. I'm pretty confident tho that the bigger/thicker radiator might be 'it'.





Rockauto 1.5" rad # FVP RAD13337 - 'https://www.rockauto.com/en/moreinfo.php?pk=13248469&pt=2172&jsn=1'