Thread: Prelube setup
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Old 01-23-2016, 12:45 PM   #5
City: Vero Beach, FL.
Country: US
Vessel Name: FIREFLY
Vessel Model: Pilgrim 40
Join Date: Nov 2012
Posts: 913
Can a rubber veined impeller develop enough pressure to do any good?

The pre-oilers I am familiar with use steel gears, It takes a good amount of pressure as well as volume to get oil into the bearings.

KISS, good oil and change it, use the boat and your engine will be happy. Don't add a point of failure that Murphy can exploit some dark and stormy night.

I would think that tapping into the oil cooler would be a good place to start. You do need a bunch of volume to do any good so use a large enough pump and I would add valves to isolate if needed at some point.

Or you could add a pressure chamber to be pressurized with the engine oil pump that holds that oil until you start up then pushes it back into the engine for a pre-lube.
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