Quote:
Originally Posted by electrowoman
...The oil pan sloshing makes complete sense but in this case we have been nearly alone on a glass smooth lake....I went up very very very slowly on the throttle on glass smooth water. When it got near 4500 rpm the pressure drops. It also drops punching the throttle to come up on plane. When the rpm's are up there the pressure drops.
With the windage tray in this pan I don't think the oil is being sucked up from the crank on plane cruising 4500 rpms do you?
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Yes, I do. Nevermind the "sloshing" I mentioned in my second post; as I stated back then, it was just an example of one of the characteristics of these oil pans...I didn't say that this was the
reason for your oiling issues.
Truth is that if you put your particular engine on a dyno with that particular oil pan, and tilt the engine to the same angle as it sits in your boat, you will have the same oiling issue...yes, even when the engine is completely still and unwavering, and whether you inch up the rpms or hit wide open throttle. Not to sound rude or insensitive, but you don't seem to undestand the forces at work in your crankcase relative to the design, shape, and internal configuration of this pan.
Nevemind the sloshing. Most oil pans have the sloshing issue to some extent (but it is usually more controlled indeed).
If you are going through the trouble of pulling the engine for the sake of changing the oil pump, then by all means change the pan while you are in there. The oil pump has been suspected in the past and changing out several proved nothing other than the problem
wasn't with any of the oil pumps.
Paul
p.s.: search this website:
Armando's Racing Oil Pans
