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Valve settings on a H

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Bob

04-28-2002 14:42:41




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On my farmall h I set the valves to 0.015 cold. The tractor misses, so i was thinking of changing them to 0.20. cold. Would this be a good idea? Could this be what is causing this miss? Also i heard that when adjusting the valves you should adjust them by the firing order. Is this necessary? The way I have been adjusting them is I bring no. 1 cylinder up on TDC and adjust both no. 1 and 4 cylinders then bring no. 2 and 3 up on TDC and adjust both of them. Any ideas would be appreciated. thanks!

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Theman

04-29-2002 08:25:49




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 Re: valve settings on a H in reply to Bob, 04-28-2002 14:42:41  
Yes, you should set the valves only at the compression stroke. The reason why is that the intake valve on the other cylinder at TDC will be opening. You may not be able to see it with your eye, but it is happening. I profiled the cam on my '47 H and the lifter began ramping up before the piston reached top dead center. I set my valves cold at .020" because the head had just been reworked. If anything needs to 'wear in' there should be plenty of room for it.

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The Red

04-28-2002 15:00:30




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 Re: valve settings on a H in reply to Bob, 04-28-2002 14:42:41  
Not correct Bob. If you have #1 on the TDC compression stroke, #4 is between exhaust and intake stroke. You need to get each cylinder on compression stroke to adjust the lash. Manual reads .017 warm. I adjust them .018 cold.



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