Does Size Really Matter.....in oil pans.
What would be the benifit to running say a 14 Qt. pan to a 12 Qt. pan. It would seem that more oil would run cooler but in my thinking only until it all reached the same operating temp. I will be running a Olsen cooler and was wondering what size pan, smaller pan by a couple of Qts. would be cheaper, less weight in the boat, less money at service time.......could you guys give me your thoughts on this, Thanks.
Dry Sump = more h.p. for the money, not that difficult to setup, pan / pump lil pricey.
I think the size should be relative to how much you use (ie., do you have a race motor at high rpm with 3-4 quarts just residing under the valve covers, the cooler, other lines, etc), and how to get to good oil vs. foamy stuff, and still have room to miss the rotating assembly...
As far as a dry sump, there is little question it's the best oil delivery strategy. HP increase is debatable.
Fill me in on the good stuff vs foamy stuff? I haven't seen much about this.Originally Posted by VDRIVERACING
As the oil gets pumped through the engine, it gets aerated. One of the advantages of the dry sump is a tank of, say, 3-4 gallons of oil. The oil returning from the engine goes in the top, and the oil going back to the engine is from the bottom of the tank where, presumably, it has had time to allow the air bubbles to escape. The idea being that the volume pumped back is closer to solid fluid. You might check into some of the dry-sump web sites to read up on this. I'm not implying you necessarily need a system like this, but it will give you some insight into the thinking behind oil handling systems.
If I may...a dry sump tank has a series of baffles and trays in it that help deaerate the oil, so as Vdrive says, by the time it's at the bottom of the tank, it's "airless". The main reason for this, and part of the beauty of a dry sump, is there are scavenge or "suction" lines from the pump that you can put just about anywhere in the engine to "suck" the oil out, and get it back to the tank, instead of waiting for it to drain back on it's own. It doesn't matter if the system is sucking a little air, since the tank is separate from the pump, and designed to get the air out of the system.
In most cases, the bigger the pan, the better, for two reasons. One, is to increase the general volume of the crankcase, and reduce the effects of windage. The other is to keep the oil level as far away from the crank as possible. A kick-out pan is best, as it increases the volume on the low pressure side of the crank case, and encourages oil to move away from the high pressure side, reducing drag on the crank.
JM02
In the madness of this world, know the Peace of God.
Posting Permissions
LinkBack URL
About LinkBacks
Reply With Quote
Digg This Thread