Head gaskets and timing tbi 454

[Igorsgonemadd]

Ok so we rebuilt my 454 and after running about 10 minutes, it starts overheating. Here is my biggest fear, when we put the head gaskets on we assumed they were interchangeable between sides. Could I have put the wrong gasket on the wrong side and that causing my overheating? It has a new waterpump and thermostat. The fan sure doesn't seem to be pushing much air though, but the clutch isn't making any noise. As long as I know I couldn't have got the wrong head gasket on the wrong side, I'll feel a whole lot better about it though..... Now on the timing, I've read 0, 2, 4 & 10 degrees on the base timing. We unplugged the distributor wire set it to zero then cleared the computer. I think it is 4 degrees we should have set it to. Does anyone know the côrrect base timing and if it is 4, then could us setting it to zero cause the overheating? Any help would be greatly appreciated!!
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