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  #1  
Old 04-13-2003, 10:51 AM
Diesel Power
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Pre lubing stored engine

OK, I have a wierd one. I bought on Ebay an old 1961 vintage 190D engine that has been in storage for 20 years for the paltry sum of $69.95. I won't receive the engine untill June when the seller is coming out my way as they have family in my area, and are willing to bring it with them if I'm willing to wait. To save the $300 - $400 shipping costs, I'm willing.

Anyway, before I even attempt to hand turn this engine, I want to somehow run oil under pressure through the engine. Any ideas on how to tackle this? TIA.

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  #2  
Old 04-13-2003, 11:41 AM
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No answer to the oil question. But if you and the seller are close to Forward Air depots, you should be able to ship it for a LOT cheaper. I shipped a sailboat engine of about the same size from Florida to NY for less than $150 with Forward Air.
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  #3  
Old 04-13-2003, 12:49 PM
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Cranking the engine with the starter will force oil thru the engine without the high forces caused by combustioin and at a much slower speed. If you release the compression, the forces will be even less.

As far as cranking by hand,it would take a lot of revolutions to get the oil to circulate.

P E H
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Old 04-13-2003, 01:28 PM
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70 bucks?! Lucky dog!

First thing I'd do is pull the glow plugs and pour an ounce or two of WD-40 in each cylinder. Then drain the injector pump and secondary fuel filter if it's there. Then fill the pump and filter with ATF and hand pump until the injector return lines are ATF. Then wait a week. Then change the oil filter and install a temporary oil pressure gauge. Then crank the engine (without glow plugs installed). Cranking blows out the WD-40 and (hopefully) charges the oil circuits. Put it all together and start it up. I'd like to see the smile on your face when you watch your $70 engine purr away.
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Old 04-13-2003, 04:36 PM
Diesel Power
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Quote:
Originally posted by kerry edwards
No answer to the oil question. But if you and the seller are close to Forward Air depots, you should be able to ship it for a LOT cheaper. I shipped a sailboat engine of about the same size from Florida to NY for less than $150 with Forward Air.
Thanx for the tip, but I'm gonna be a cheapskate on this one as I won't be able to mess with this untill I'm done with the remodeling on the house. It'll easily be into June before I'd have the time to mess with it.

Then I'm gonna get serious with these cars. My goal is to have all three of the Mercedes' at least running, registered, and driveable if not pretty.
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Old 04-13-2003, 04:58 PM
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Was the engine oil changed on the engine before storage? 20 years is awhile for a "RUNNING" engine to be stored. I would be concerned about the main and rod bearings due to the acids ect. left behind in the oil from when it ran last. It would be a good time to ck them before you install it into a car.
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Old 04-13-2003, 05:30 PM
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You should probably pull the valve cover off and assess the condition of the crankshaft. Hopefully it is still damp with oil and has no rust spots. If that's the case, just "pre-lube" the valve train by pouring fresh oil over it.

Another area of concern is the cylinder walls. If you can get lubricant into the cylinders via the glow plugs (as already mentioned) that should take care of that provided there's no rust. Your inspection under the valve cover will help you determine the chances of rust elsewhere.

Then you might be ready to see if you can turn the engine over by hand. If that seems to be OK, then you are probably ready to crank it over for awhile with the starter to feed oil through the system.

However, beware of my advice, because I've never worked with an engine that has sat for 20 years!

Ken300D
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Old 04-13-2003, 05:39 PM
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Being it is a freestanding motor. If it was me I would pull the pan and valve cover look at what I might be dealing with. based on what I saw I might pull the head and a rod cap.

20 years is a very very long time for an engine to just sit, even if it was prepared properly. If the motor has a remote oil filter or oilines for a cooler, you could hook up and electric pump and push the oil. I saw this on a Ferrari about 10 years a go. The fellow added an electric oil pump to make sure everything was lubed before he cranked it.

Good luck
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Old 04-13-2003, 09:07 PM
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This is coming from a "Wanta be, good DIYer" so I gota ask this.... couldn't you look into each cylinder with one of those fiber optic scopes or am I thinking of some James Bond flick?
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Old 04-13-2003, 09:22 PM
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Cool thought. They're called borescopes. Not that expensive at Harbor Freight.
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  #11  
Old 04-13-2003, 09:40 PM
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I have heard of valve springs breaking shortly after starting up a motor which has been sitting a very long time...might be safer to replace the springs before revving it up....

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