66 Dart, 408 runs hot. HELP PLEASE!

I have a similar build 74 408 30 over in my 63 but not quite the compression ratio at 10.2. Aluminum heads, Fitech FI, aluminum radiator. Pump and crank pulleys are almost 1:1 (I think the pump pulley is actually a bit larger). Griffin radiator is about 24-26" but only about 20" is exposed at the front. Don't recall #of rows.


This runs 160-180F consistently as long as your moving and only approaches 200 if idling long or in traffic. I am working on getting that down too as under hood temperatures are high around town for the fitech with fcc.