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Discussion Forum

Must be overlookin it

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09-23-2001 13:35:34

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I have been restoring a 1948 farmall H and since I recieved it in many pieces things are either changed or not fittin right. I can't get the valves set because when the rocker arm adjustment screw is turned all the way down there is still a half inch of up and down play in the pushrods. So after measuring and stewing over it I thought I'd ask you guys! Here is a list of casting numbers and measurements I have taken to possibly assist you in helping me. Block 6695 D,Head 8043 DG, Rockerarms 45036 DB, push rods are 14 9/16 inches,tappets are 2 1/4 inches long, Camshaft 43962DB, valves are T1672 Marvel A and 5 1/16 inches long and when installed in the head they stick up approx. 1 5/8 inches off the machined surface the valves have just been ground to fit the seats. Any help would be greatly appreciated.
Thanks, Joe

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09-23-2001 19:17:58

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 Re: Must be overlookin it in reply to Joe, 09-23-2001 13:35:34  
Thanks THE RED I have found the valve lenghts in my parts book they have different valves for the later H's. I have a head from an early H and a block from a later one but the lenghts are 5 3/8 and 5 15/32 the price doubles for the later longer ones!
Thanks for all the help

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09-23-2001 16:13:38

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 Re: Must be overlookin it in reply to Joe, 09-23-2001 13:35:34  
Just hope you don't have to replace those little Rocker arm screws - $9 @ from a dealer.

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The Red Again

09-23-2001 14:22:56

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 Re: Must be overlookin it in reply to Joe, 09-23-2001 13:35:34  
Joe with a little more cross referencing, I think you got distillate valves in a gasoline head. The chamber in the gasoline head is not as deep as the chamber on the distillate head. Therefore it takes a longer intake and exhaust valves than the distillate head. Check with Ken Updike with these gasoline head valve numbers. 50706DA for the intake and 50707DA for the exhuast. Have him mesure them. I bet they are 3/8" longer than what you have. 608-455-2411.

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The Red

09-23-2001 14:13:45

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 Re: Must be overlookin it in reply to Joe, 09-23-2001 13:35:34  
Joe I found that head number in the back of the H parts book but it didn't specify gasoline only or distillate. The valves on Old Rusty H's distillate head stick out 2" beyond the head. I know that the valve lengths vary depending on the head. Sounds like those are 3/8" too short give or take.

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09-23-2001 21:37:00

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 Re: Re: Must be overlookin it in reply to The Red, 09-23-2001 14:13:45  
Red the head is a gas head. The fuel head casting number is 8776

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09-23-2001 14:26:39

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 Re: Re: Must be overlookin it in reply to The Red, 09-23-2001 14:13:45  
Thanks Red
Thats the second set that I have that are believed to be too short the first ones were a 1/4 in shorter than the one I have in now I took the valves out of the kerosene H myself they are the slightly longer ones.

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The Red

09-23-2001 14:46:22

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 Re: Re: Re: Must be overlookin it in reply to Joe, 09-23-2001 14:26:39  
Good luck on getting the proper length. I'll pull one of mine and measure for grins.

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