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Case Tractors Discussion Forum
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Rocker Arms on 401 Tractor w/ 251 CID Engine

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Doc Larry

01-13-2005 19:50:41




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The exhaust rocker arms on this engine have an oil "wick" from the center of the rocker arm down to the top of the valve stem. In my engine, these wicks appear to have been replaced with pipe cleaners. I haven"t been able to find any new ones through my best source.

My questions are:

1. What do the original wicks look like, and what are they made of?
2. If a wick is missing, does excess oil run down the valve stem, leading to excess oil consumption, or does less oil than is needed for lubrication reach the valve stem?

Many thanks,

Larry

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george md

01-14-2005 10:29:30




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 Re: Rocker Arms on 401 Tractor w/ 251 CID Engine in reply to Doc Larry, 01-13-2005 19:50:41  
Larry,

48 Nash had felt oilers in the rockers also.

Back about 61 my 48 Nash needed the same thing,

rockers had felt wicks that were falling apart.

I went to a fabric store and bought some felt ,

only thing they had was 1/2 as thick as I needed,

so I cut in strips and folded it . Was a little

tricky to install , but it worked well.

george



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Doc Larry

01-16-2005 19:32:40




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 Re: Rocker Arms on 401 Tractor w/ 251 CID Engine in reply to george md, 01-14-2005 10:29:30  
Thanks George. I"ll cut some felt and do some testing with the engine running to compare how much the valves oil without any wicks, with the pipe cleaners as wicks, and with felt.

Larry



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