

| Subject: | RE: Oil Temps, Coolers, and pumps, separated circuits? |
| From: | William R. Kennedy, NJIT CIAT, 201-596-5648 |
| Date: | Tue, 25 Jun 1996 10:27:39 EST |
Trevor E. envisions an electric aux oil pump. I would picture this would have to be a fairly serious pump. Engine oil pump looks like it uses a horsepower, maybe more. Even tho' Trevor's pump would never be asked to move cold oil, to have an effect it would need to move good volume. Maybe you could make something effective out of the oil pump from an auto- matic transmission car, that has the second pump built right on. Note that Porsche six oil pump is two stages: one to scavenge the sump and put the oil in the (nine-quart) oil tank, the other to pressurize oil from the oil tank and give it to the engine. Thus my sending oil all the way to the front grill to an aux cooler has no effect on engine oil pressure, altho it probably costs me some amount of power. Does anyone know if there is a correct orientation for an oil cooler. I have mine with fittings pointing down, so that I don't have to worry about any sediment building up, but do I have to worry about air getting trapped in there? Thanks! B. Wm Kennedy kennedy@admin.njit.edu
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