Good thought but you're going overboard. The oil in the passages will still be there. You aren't going to gain anything by circulating more oil through there. We prime oil pumps with electric drills to fill the passages on newly-rebuilt engines so the air doesn't have to work its way through the bearings first. Some mechanics just use engine assembly lube on the bearings, and they pack it inside the oil pump, then just start the engine like normal for the first time, and they don't have any problems.
Also consider that the oil pumps on most newer engines are driven by the snout of the crankshaft. There is no way to prime those systems except by cranking the engine. With a little assembly lube to handle those first few revolutions, the oil starts circulating so quickly, that priming isn't necessary.
Your oil pump is driven that way, by the crankshaft, so there's no way to prime it. The engine likely won't start right away. The few seconds it cranks first will be enough to get the oil circulating. Once the engine is warmed up, you can drain the old oil. It will be thinner and run out of the passages easier.
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Sunday, February 16th, 2014 AT 7:21 PM
