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Re: tractor keeps running after its shut off

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Author  [Modern View]

10-29-2012 21:56:49

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My SM hasa done that for years,even right after it was o'hauled'.Timeing has been checked...Is this because it has too much cumpression?The head was 'planed',and it has hi-altitude stephead pistons.It's always been worked hard,so its never had a chance to get carboned up.Are there other things that could cause that?

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10-29-2012 22:20:54

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 Re: tractor keeps running after its shut off in reply to DeltaRed, 10-29-2012 21:56:49  
Again can be caused by hot spots as in shut down with out letting it idle for a bit to cool down some. Of course if you turn off the gas then let it die that way then turn off the switch that will stop it or should

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Kurt LaGrander

10-29-2012 22:13:24

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 Re: tractor keeps running after its shut off in reply to DeltaRed, 10-29-2012 21:56:49  
Yes my 450 was just overhauled too. Not sure why it would be carboned up?

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10-29-2012 22:22:48

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 Re: tractor keeps running after its shut off in reply to Kurt LaGrander, 10-29-2012 22:13:24  
No would not be from carbon but form hot spots caused by not letting it idle some to cool before shutting it off. Of course on way to stop the problem is shut off the gas let it die then turn off the ignition

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10-30-2012 19:03:59

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 Re: tractor keeps running after its shut off in reply to old, 10-29-2012 22:22:48  
You could try a higher octane gas. The lower octane gas is detonating with good compression in the hot motor.

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