I know I ran cooler, but I just swapped back over to leaded race fuel. The fumes bothered me too much. I used a magnafuel fuel pump, #10 an to the front and 8an return. I ran VR1 50 wt oil. I set my pump at 9psi with a fuel log and bypass valve. It idled at 3psi, then went to 9 at wot. I have a ross built 9375 dominator for a carb.

The combo worked very good and the engine never ran hot even with a 1 inch 1 row radiator 19x22. I filtered my fuel while filling the cell. 3.5 gallons. I never really had an issue, except, you have to get the engine warmed up
or you may milk your fuel. A vacuum system will help.