Absolutely agree on concentrating on the heat levels first, as that is your most important issue.
It gets just a hair over 100 where I am, but I sometimes drive through Needles and Death Valley on my way to the beach.
BTW, my fuel lines are wrapped 3/8 fuel injection nylon 12 all the way from the tank to the carb and back.
(Picks up less ambient under car temps with hedders)
Not saying you should do this, it’s just some of the things I did to keep the fuel temps down.
Engine running temps are a whole nother can of worms.
3 row core radiator with 5/8 tubes.
Mechanical 8 blade water pump.
Hi flow thermostat.
Mechanical steel 7 blade clutched fan.
190 thermostat.
Might get to 195 on a real hot day in traffic.