Help
 

So I've replaced the head gaskets, water pump, radiator and put a 160 degree thermostat in it and I'm running a big electric fan and it over heats quick both upper and lower are hot what does this mean

Hopefully, you drilled a 1/8 inch hole in the new thermostat AND tested it in a pan of water for opening.
This mentioned hole helps bleed air out from the coolant sytem as pointing the vehicle uphill to help.
After cool-down, you removed the rad cap and checked level in radiator as it should only be a couple inches lower only if there is no reservoir tank, Otherwise, the cold radiator should be full.
If all above is done and still overheats, check with temp gum, as lower hose should be at least 20░F cooler than upper hose.
If colder hose is desired, there may be air in system, too fast of flow across radiator, too slow of air across radiator or not shrouded correctly, or large enough to cover radiator, or faulty gauge indicating too high of temp, unless system is puking hot coolant.
Or, a leaky head gasket as symtom would be air bubbles in coolant.
Maybe others here have more suggestions