I find the SPF cooler and radiator are almost too good for PA. I installed a Canton
oil cooler thermostat which I really like. Also, do not take your stats rating for granted. After not being able to keep my 427 Windsor at temp, I pulled the stat and checked it on the stove. It started to open at 160 but was marked a 180. In comparison, a Robert Shaw 180 stat, did not start to open until 180. Big difference. My car could probably even use a 190 stat and be great. Rule number 1, take nothing for granted.