[David Brown]

Here are my specs.
Aluminum radiator, 30/70 anti-freeze/water mix and 2-16 oz. bottles of Water Wetter.
Twin pusher fans in front - manually switched.
Spal drafting fan in rear - thermostatically and manually controlled.
Edelbrock aluminum water pump.
177F thermostat.
March pulley system.
427 side-oiler, iron block.
Shelby aluminum heads.
12.0 compression.
Roller rockers.
Comp Cam roller cam .637 int. and .667 exh., 252 and 262 degrees duration @ .050".
Heat-wrapped primary headers.
3.70 9" Ford IRS.

At 90+ degrees fahrenheit ambient temps, 75 mph on the interstate, none of the fans running, the Smith gauge shows 85-90 degrees centigrade.

At 90+ degrees fahrenheit ambient temps, in-town traffic, ALL FANS ON, the Smith gauge shows 88-90 degrees centigrade.