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Farmall & IHC Tractors Discussion Forum
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No Compression

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GTH

09-16-2005 12:59:20




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I need some adivce on where to look to on this A of mine. It is the 113 engine. I have starting issues with it. I had mag rebuilt and I know the timming is correct I also took the head off to free ou a couple of stuck valves and put new head gasket on it ,so I checked the compression the #1 had about 80lbs with the hand crank, but 2 thru 4 has about 2Lbs any ideals to throw at me before I tear it down. it has sit for about 13 years before I have started playing with it. Gerald from ohio

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old

09-16-2005 15:55:36




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 Re: No Compression in reply to GTH, 09-16-2005 12:59:20  
Seen that many times with a tractor that has sat for awhile. What I do is fill all cylinders with tranny fluid and let it sit a few days. Then see if it gets the compression up if so good if not you will need to take it apart.



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shoe

09-16-2005 19:32:00




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 Re: No Compression in reply to old, 09-16-2005 15:55:36  
Think you still got stuck valves, like the guys said, soak them for a couple of days, maybe that willcure the problem.



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El Toro

09-16-2005 13:58:50




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 Re: No Compression in reply to GTH, 09-16-2005 12:59:20  
I would soak them with some oil and see if the compression improves. The rings are probably seized in the grooves on the piston. Could be rust or carbon or a little of both. I would try an see if the engine will start if the compression improves somewhat. The engine heat may help to free up the rings. If this doesn't work those engine's are easy to remove the pistons. You would need to remove the ridge at the top of the sleeve with a ridge reamer. You could put a sleeve and piston kit in and it would last another 40 to 50 years with a little care. These engines are governed at 1500-to 1600 rpm's
and will run a long time with good maintenance.
Hal

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Janicholson

09-16-2005 13:52:30




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 Re: No Compression in reply to GTH, 09-16-2005 12:59:20  
If it were mine!!
I would Turn the engine 90 degrees from TDC (assuring no pistons at the top). I would remove the valve cover and rocker assembly. I would then spray Tri-Flow lubricant on each valve stem where it comes out of the guide. Using a plastic hammer, I would rap on each valve while blowing a blast of air into the sparkplug hole with an air nozzle (not an adapter, it does not need pressure). I would use enough force to move the valve down, but not smash the spring to coil bind. The intent is to clear dirt that may be keeping the compression low.
Install the valve train and set the valves (cold) to cold spec. On each cylinder adjust the intake when the exhaust just starts to move. Adjust the exhaust when the intake just starts to move. Be sure to look at the runners and ports to be sure which valve is which.
This has worked for me to reseat sticky valves.
JimN

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Cityboy-McCoy

09-16-2005 15:05:16




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 Re: No Compression in reply to Janicholson, 09-16-2005 13:52:30  
Great information. Very useful.
mike



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