Intake valley sludge
I have a 1939 Deluxe. I removed the pan to clean the sludge. Following advice on the Forum, I removed the intake manifold to remove sludge from the valley. There is not much "liquid" sludge, only in the depressions (the motor has not run for 6 months). But there is a thin layer of crusty, dry sludge in the valley. My question is: am I doing more harm than good by trying to remove this sludge? If not, any suggestions on how to remove without increase risk of introducing more particulate matter into the oiling system?
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