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Farmall & IHC Tractors Discussion Forum
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h smokes

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donald schnuppe

04-22-2006 16:55:50




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will bad valve seals make a engine smoke? thanks don




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Janicholson

04-22-2006 18:29:21




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 Re: h smokes in reply to donald schnupper, 04-22-2006 16:55:50  
Yes, If the guides are less than .002 measured lateral movement on the stem, I would put Perfect circle seals on it (with air pressure to the cylinder when it is at TDC, and held there so the valves cannot drop into the cylinder) the spring can be removed and seals installed without head removal.

A spell of ideling, (or down hill in high with the throttle closed) will pull in oil. Then when the throttle is opened, it will smoke like a green wood fire. If it smokes under load for as long as it is loaded I would re ring it, (or a piston/sleeve kit)
JimN

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donald schnupper

04-22-2006 19:28:28




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 Re: h smokes in reply to Janicholson, 04-22-2006 18:29:21  
thanks



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Dave Slater

04-22-2006 17:47:22




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 Re: h smokes in reply to donald schnupper, 04-22-2006 16:55:50  
Original H heads don't have valve stem seals.Valve stem to guide clearance not excessive and clean crankcase vents are all IH used.



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tractor 47

04-22-2006 17:08:01




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 Re: h smokes in reply to donald schnupper, 04-22-2006 16:55:50  
yes, because it will suck oil through the intake valves especially when you give it throttle it will smoke more than it will at an idle.



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