well i'll admit that having the leak one sided like that is more rare, the reasoning you state is bachward. normal oil pressure at idle should be 11-15psi (warm), and typical coolent pressure is 13psi (hot). so if there's gonna be a leak, it's gonna start with the oil on the intake side (cooler, but oil pressure ports are present) or the coolent on the exhaust side (hotter, and have the oil return ports present (no oil pressure)) of the head. personally, i've seen only one cracked block (mine), and it displayed the same symptoms (oil in coolent only).
As stated above though you CAN have just one or the other and it still be the head gasket.
As stated above though you CAN have just one or the other and it still be the head gasket.
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