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Antique Autos and Trucks

Unknown Early Auto Engine


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  #31  
Old 01-01-2018, 10:25:56 PM
340joe 340joe is offline
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Default Re: Unknown Early Auto Engine

Chrisman, IL is on US Rt 36 about 100 miles from Springfield. It is about midway between Springfield, IL and Indianapolis, IN.
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  #32  
Old 01-01-2018, 11:33:33 PM
Tim Christoff Tim Christoff is offline
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Default Re: Unknown Early Auto Engine

Looking at the picture that shows the front of the crankcase diffently is not the same shape as the engine I have. Looking at an overhead view also is not even a close match. The mag is a Bosch DU-4 which is a common mag used on tractors and I'm guessing on cars as well. I took it off today and it shows a pat date of 1905. Not sure if Bosch had a latter pat date or not. I'm going to split the crankcase in half this week if I get time and look at it to see if I can find any part numbers or any info. So far, no part numbers on the cylinders and related parts.
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  #33  
Old 01-07-2018, 09:35:31 PM
Tim Christoff Tim Christoff is offline
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Default Re: Unknown Early Auto Engine

With no luck to the identify of this engine I decided to go ahead and have a look inside. I removed the flywheel making sure the position of the flywheel and mounting bolts were recorded. I was surprised that the flywheel only weighed less than 10 lbs. I removed both pairs of cylinders and then the valve guide covers. The push rods are a bit different and have rollers on them. The arms that control the rollers have number stampings on the and the covers so that they can be put back in the correct location. I then removed the bottom half of the crank case. There I found a small amount of clean oil and some crusting of oil in the bottom of the case. All of the rods and caps are stamped with numbers as well as the crown nuts so they can be placed back in the correct spot. The upper part of the crank case also had stampings so you knew which rod went to which location. The rod bearings look like poured bronze like the way Babbitt is done. There are 3 main bearings also of bronze. In fact, all bearings are bronze, no Babbitt.
I did see the letter "w" stamped on the valve guide covers and on the main bearing caps. I also found the letter "j" stamped on the upper crank case where they split into two halves. Any thoughts?
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  #34  
Old 01-07-2018, 09:42:14 PM
Tim Christoff Tim Christoff is offline
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Default Re: Unknown Early Auto Engine

More pics. The crown nuts are also marked where they are supposed to be.
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  #35  
Old 01-07-2018, 10:06:02 PM
Tim Christoff Tim Christoff is offline
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Default Re: Unknown Early Auto Engine

The bore is 3" and the stroke is 3 1/2"Click image for larger version

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  #36  
Old 01-07-2018, 11:00:43 PM
Oldtech Oldtech is offline
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Default Re: Unknown Early Auto Engine

My Thoughts? that is a very nicely built old engine... whatever it is. Thanks for posting the pics.
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  #37  
Old 01-08-2018, 01:15:21 AM
mschreiber mschreiber is offline
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Default Re: Unknown Early Auto Engine

did u try here?
http://www.oldmarineengine.com/cgi-b....cgi?pg=topics
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  #38  
Old 01-08-2018, 10:00:33 AM
Tim Christoff Tim Christoff is offline
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Default Re: Unknown Early Auto Engine

I did, thank you. When I thought it was a marine engine I spent hours going through all those post. Some pretty neat engines on that sight. The marine guys tell me that since it doesn't have a water pump, water cooled exhaust and has cast aluminium for the block that it is not a marine.
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  #39  
Old 01-08-2018, 01:42:13 PM
maceymadness maceymadness is offline
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Default Re: Unknown Early Auto Engine

Tim, how is engine oilied , pressure?
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  #40  
Old 01-08-2018, 04:34:46 PM
Tim Christoff Tim Christoff is offline
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Default Re: Unknown Early Auto Engine

I expected to find a pump in it but its just a simple splash system. The lower crank case has two complete sumps. There is a barrier in the middle keeping the oil separated. Not really sure how well that works but it might be done that way to make sure there is plenty of oil to splash up to the pistons.
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