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Help with large inline 8 cyldiner natural gas engine.


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  #1  
Old 11-14-2010, 01:50:01 AM
Cartoman Cartoman is offline
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Default Help with large inline 8 cyldiner natural gas engine.

Here is what i know about this engine. It is a large, aprox. 4400 cubic inch, inline 8 cylinder natural gas engine. This engine was used in the oil industry in the early 1900's. It ran a large air compressor, and a turntable for the pump-jacks. I measured, as roughly as i could, the bore (8 inches), and the stroke (11 inches). The heads say they are a "Quad Valve Cylinder Head Made by Auto Engine Works" with the number/ symbol "$ EC 2501". Each cylinder has 4 spark plugs, with a large ignition system made by regulated by a Minneapolis Moline system, and an on-board transformer. The crank has the inscription:
EFCO 1466 P4
LLOYD 1484 16 11 28 CD
1 9 29 ERIE PA

I suppose i would like to know anything i could about this engine. The horsepower and torque rating would be very helpful. I have not been able to find anything on this engine, not even a picture. I'm only a freshman in college, and i know very little on this subject.

The engine is still in the power station where the engine was used, but the turn table and air compressor air gone. My father said we could get it running. This is on my own property, and i would just like to see this piece of history perform once again.
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Old 11-14-2010, 03:37:31 AM
Eric M. Eric M. is offline
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Default Re: Help with large inline 8 cyldiner natural gas engine.

Very interesting! I have never seen anything even remotely like it. The cylinder head in particular is very strange with 4 plugs per cylinder! Gapping all 32 plugs must be fun.

Please post more pictures; I for one am dying to see more of that beast.
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Old 11-14-2010, 04:33:59 AM
Cartoman Cartoman is offline
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Default Re: Help with large inline 8 cyldiner natural gas engine.

Alright, I downsized the photos.
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Old 11-14-2010, 04:38:12 AM
Cartoman Cartoman is offline
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Default Re: Help with large inline 8 cyldiner natural gas engine.

Here are some more. The quality is lower, so i don't know if you can make out the picture of the inscriptions on the crank. Also, the rpm gauge on the this goes up to 1200 rpm.
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Old 11-14-2010, 08:39:11 AM
Rick McKay Rick McKay is offline
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Default Re: Help with large inline 8 cyldiner natural gas engine.

Did you try to roll it over with a bar yet??

Rick
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Old 11-14-2010, 09:16:42 AM
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Default Re: Help with large inline 8 cyldiner natural gas engine.

If there is a stuck valve, rolling it over could snap a rocker arm or worse.
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Old 11-14-2010, 11:02:30 AM
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Elden DuRand Elden DuRand is offline
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Default Re: Help with large inline 8 cyldiner natural gas engine.

Cartoman:

From the photo inside the rocker cover, it looks like each pushrod operates a forked rocker that works dual intake and exhaust valves.

The big question is what are the smaller valves for, the ones below the rocker arms in the photo?

I've never seen anything even remotely like that engine! Sure glad I don't have to maintain that ignition system. I suppose the distributor cap is set-up to fire the four plugs in sequence so if there's a misfire from the first plug in the line, the next one would try. That way, it would take four tries (each retarded from the other) before a real misfire occured.

I'm still amazed at some of the things designers did (and still do!).

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Old 11-14-2010, 11:16:29 AM
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Marcel P Marcel P is offline
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Default Re: Help with large inline 8 cyldiner natural gas engine.

Quote:
Originally Posted by Elden DuRand View Post
The big question is what are the smaller valves for, the ones below the rocker arms in the photo?
http://www.oldengine.org/members/durand
Might be for air starting? First photo in post #4 shows what I think is an air distributor (left side of ignition distributor).

Interesting engine! Sure would like to see it running, thanks for posting!

Marcel
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Old 11-14-2010, 11:26:42 AM
Roland Hayes Roland Hayes is offline
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Default Re: Help with large inline 8 cyldiner natural gas engine.

Could those smaller springs be tension springs, they look like they are connected to the rockers with links, pulling them back, perhaps to keep pressure against a roller type cam follower? Just a thought.

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Old 11-14-2010, 11:52:03 AM
BGunn BGunn is offline
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Default Re: Help with large inline 8 cyldiner natural gas engine.

Wouldn't you just love to walk in to an Auto Zone parts store with that distributor cap. The look on their face as they tried to match it up would be a good Youtube video
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