Slowy, usually you can't go wrong with what the manufacturer recommends:
TREMEC Frequently Asked Questions (FAQs)
"For all TKO 5-speed models, TREMEC recommends GM Synchromesh (GM Part # 12345349). For all other aftermarket models we recommend Dexron III ATF"
Alloy radiator usually means the red coolant not the green. I'm using this stuff:
Red Long Life Concentrated Coolant- Nulon Australia
Dot 3 or DOT 4 brake fluid should be fine, just don't mix either with DOT 5 which is silicone based.
One of the Ford guys will chime in re engine
oil but I imagine you'd want mineral based (non synth) for 1000km or so while you run in that new motor.
Now you have most of your answers - quit stalling!