70duster 360 gets hotter the faster i go

Thermostat housing 195
Top of radiator tank 200
Radiator core 135-150
Bottom radiator hose 185
Water pump 195

There's your problem,, your rads not losing enuff heat,, there should be at least 40* or more difference between top and bottom rad fittings

Send the rad out and get it rodded out, or replace it.

The fact you have different temps across the rad indicates some tubes are plugged, (the cool/cold ones), and you're just reading the front tubes... the bottom rad hose is hotter than the rad core..

If you doubt it,, go fire up any decent running vehicle you got,, get it up to temp,, and shoot the temp on the upper and lower rad fittings..

hope it helps