Fuel??timing ??or both??

Multiple problems.Deal with cooling first.Where is your radiator from the other car? You are asking a lot,for a stock 318 rad to cool a 400+ stroker .Is it at least a 3 core radiator?.As for the idle/ die situation,possibly a plugged idle circuit.Cheap ,to pull the mixture screws out.Then,blow out the screw holes with a rubber tipped blowgun.After that,possibly rebuild time.


Yea THIS radiator is from THIS car and was ran on a 318 before. Now I had a stock rad That was ran on my 360 before I built the stroker, and I ran it on the stroker temporarily and it never went over 200. Is there that much of a difference between a 318 and 360 rad? Also my upper hose isn't even hot radiator isn't hot lower hose is warm put new thermostat in it filled with coolant and within literally aw min in and half it was reaching 220+. I'm using the same gauge as well its electric could it be causing a false reading?