http://www.grumpysperformance.com/SBCOiling.gif

Yes - that's a qualified yes. In the diagram above you see that the oil is pumped through the filter to the three oil galleys above the camshaft, and follow the path the oil takes. If you keep the pressure up long enough while "priming" the engine, the oil will overflow the lifters and the pushrod tips a bit and run back down through the valley and drip onto the cam lobes. If there is a glitch in the system, it might not work as it should. I always liked to get an extra hand to keep the drill motor I was using on the priming adapter going while I slowly turned the engine over by hand, and I usually ran the priming at least two or more minutes after I saw oil at the rocker arms. My big Milwaukee drill motor would give me 40 to 50 PSI at the mechanical gauge.

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