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Hit & Miss Gas Engine Discussion

Modify Enclosed Crankcase to Open Crankcase?


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  #1  
Old 08-07-2008, 10:10:45 PM
DaveTexas DaveTexas is offline
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Default Modify Enclosed Crankcase to Open Crankcase?

Anyone modify an enclosed engine to be an open engine such as a Stover CT engine?

Not saying I'm going to do this but just a thought...
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Old 08-07-2008, 11:08:13 PM
Ironman Ironman is offline
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Default Re: Modify Enclosed Crankcase to Open Crankcase?

Doggone it !!! How did you know what I was doing ??? Actually, I'm in the middle of doing exactly that. Will be posting pictures in a few weeks when it is finished.....
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Old 08-08-2008, 09:12:16 AM
Tom Martin Tom Martin is offline
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Default Re: Modify Enclosed Crankcase to Open Crankcase?

Dave: It would be a lot of work for no advantage and no gain, in my opinion. You would have to modify the block to accept a drip oiler for the piston and wrist pin, modify the piston for the same purpose, modify the connecting rod for a greaser, modify both main bearing caps and bearings for greasers, provide some means of lubricating the cam and governor, and those are just the things I can think of off the top of my head. A crank guard would be desirable to keep from throwing grease everywhere also. If I wanted an open crank engine, I would just buy one already in that configuration. Stover gave buyers the option, as they continued the K series engines right up to the end of production, along with the CT series. If you get a copy of the copy of the Repair Price List and Instructions for the Stover CT engines, you can see the parts that were changed for the enclosed, splash lubricated engines from the K series. Many parts for the CT engines have a K part number, but many have new CT numbers, so I assume that they would not be the same, and I assume also that there is a good reason for the changes.
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Old 08-08-2008, 09:39:20 PM
DaveTexas DaveTexas is offline
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Default Re: Modify Enclosed Crankcase to Open Crankcase?

I agree at this point. In fact I wanted a 4HP K series but here in Texas we don't have so many engines available. I bought a CT4 and will keep it "factory". Removed the top cover last night and it sure keeps things nicer inside. There was a little rust but many of the parts are bright and shiny.

It looks like the cam gear pulls the oil up this ramp behind it and this is what distributes the oil around the engine.

Just a shame to hide all the working parts but they were interested in keeping this clean and easily maintained in those days...
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Old 08-08-2008, 10:27:23 PM
ARader ARader is offline
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Default Re: Modify Enclosed Crankcase to Open Crankcase?

you could look for an engine like an IHC M that has an enclosed crankcase and has a drip oiler for the cylinder instead of splash lubrication
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