KA overheating?

[new_to_drift]

hey everyone.ok for some odd reason my KA24DE is overheating which i dont understand,after i drive it regularly for about 15-20mins steam starts coming out the overflow tank.its weird though,cause im not leaking any coolant,and the upper and lower radiator hoses feel tense and feel like they do have coolant in them.so i dont know whats going on.this ka motor is swapped in,i originally had a KA24E but that blew so i swapped in a 96 DE motor.idk if that helps.PLZ HELP.thanks.

[naed240sx]

Make sure system is bled of air bubblesMake sure thermostat is workingIs radiator clogged or damaged?Radiator cap good?both clutch fan and e-fan working?what mix of antifreeze/water?when was the last time you flushed the system?

[new_to_drift]

system is bled.no air bubbles.just got new thermostat today,putting it in tomorrow along with flushing the system.i use the prediluted stuff.both fans work.

[supra brit]

Then check the water pump. Check the radiator for any blockage too.