390 FE ford overheating

[ribanez28]

Hello Fellows

I just finish re-builting my 390. It have a performance RPM edelbrock complete kit, manifold dual plane, camshaft, timing chain, hydraulic lifter. I have compcam roller rockers. MSD ignition system and a 3 core aluminiun radiator. It have and edelbrock carburator. I change all the gaskets and make a flushing to the block. I make my brakedown just as Edelbrock suggested. It has a high flow oil pump. And the water pump is new as well.

When I start my engine and let it on idle, when 20 minutes pass, the temperature rise to 210, that I think is to hot.

It is really too hot or is normal this temp.

[techinspector1]

Actually, the motor will run better and may last longer being operated at 210 than it would at a lower temperature, like 200 or 190, provided you have the fuel/air mixture, ignition timing and fuel quality addressed.

[HOSS429]

if you had an overheating problem 20 minutes of ideling would def show it .. as long as it cools a bit when you get moving you`re ok .. and being a fresh motor will make it a bit warmer for a while

[ribanez28]

Thanks buddy for the advice. I think I will keep going with out doing anything to the engine.

[John Palmer]

Are the head gaskets in the correct direction? Block off ends to the front.

[ribanez28]

Yes I recheck that looking photos of the assembly of the engine.

[RestoRod]

Are you using a shroud on your rad? If the temperature comes back down when you drive, it would indicate an air flow problem when idling. A shroud will improve that.

[ribanez28]

Yes I have a shroud installed. You can see part of it on the foto