Cooling System
I would try this simple experiment which you can do at home. Let engine idle until temp starts increasing beyond 180*. Then, loosen dist clamp & advance timing to 35-40* [ not critical ]. Report back.
Below is what Chrys [ & others ] did in the 70s to cool engines that got too hot....
I would try this simple experiment which you can do at home. Let engine
Below is what Chrys [ & others ] did in the 70s to cool engines that got too hot....