Anyone ever seen/used/heard of one of these before..

sounds like a good concept..

http://www.autoenginelube.com/howitworks.html

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I think I have seen something like that on a race car with a "dry" sump oiling system

They had them before the 2nd World War.

There are a few engines nowadays that might not like the early flow of high pressure oil.....Audi and VW 1.8 turbos for two.

These engines have a habit of over pressurizing the valve lash adjusters and bending the tiny valves on start up.....but in it's defense, it is usually a jambed oil pressure relief valve that does this on the stock equipped engine.....nasty

If the oil pressure was less than 30 psi, I suppose it wouldn't hurt.


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If it takes several hundred revolutions of your engine to get oil pressure you better spend the money on repairing your engine (or get a new car).

I was considering a similar product from Amsoil, but I believe it was about twice the price of this unit. I'm not convinced that there is all that much advantage for a daily driver (mostly if you are using synthetic oil), but think it's a great idea for those cars that sit for longer periods like many of our Mercedes classics.

I bought one recently for my 6.9 whose engine is being rebuilt.
Always liked the idea, though I have many posts here from people who don't like them. I don't think the design of my car is lacking, it just seems like cheap protection.

I haven't yet figured out how to plumb it in, but I am working on it.

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If a car has sat for a longer time it is best to prime the oil system by letting it turn on the starter engine for a while without plugs. This way you oil the bearings without pressure on them and also oil the cylinder walls.

The pre-oiler system has been on the market for decades by different manufacturer. If it were that good, you can bet some engine manufacturer would have included such a system in their design.
It really solve a problem that never existed and give answers to a question that has never been asked.
Gadgets will always sell, thanks to excellent marketing campains. A good example is the dozens of miracle additives that are suuposed to bring unlimited benefits