[Farmall] "H" running a little rough

[cvill]

Thanks for the "boost", Mike.  I would guess that about half of of the 
units which I own would not fire off on a wet day like today if the 
wires were not sprayed.  They have the WD part right in that product.

Charlie V.

Mike Sloane wrote:
> I have been led to believe that the current formulation of WD-40 is not 
> as flammable as the previous one. Years ago, one of the best uses for 
> WE-40 was for chasing down intake exhaust leaks - you sprayed it on the 
> intake manifold, and when it got sucked into the engine through a leak, 
> the engine would speed up. But that doesn't seem to work these days.
>
> And Charlie is right - I forgot to mention the spark plug wires in my 
> previous note - those old cracked high tension wire leak spark like an 
> old rubber garden hose. A good trick is to run the tractor on a dark 
> night - sometimes you will see an amazing light show all around the 
> ignition system. Also listen for the "snap, snap, snap" of a spark 
> jumping between two wires or from a wire to ground.
>
> Mike
>
> cvill wrote:
>   
>> Tim,
>>
>> Make absolutely sure the exhaust pipe is covered so it takes on no 
>> water.  Beyond that your plug wires probably leak a little spark when 
>> damp.  Wet them down with WD-40.  Wet the cap and the head of the coil 
>> too if it has a coil. (distributor ignition)  This should solve the 
>> problem for at least several months which will allow you to replace 
>> wiring whenever you get around to it, assuming that is the problem.  It 
>> may be a good policy to let the WD-40 air dry for a day before starting 
>> the tractor.   I have never had a fire problem from doing the WD-40, but 
>> we do not want your new H to turn into a candle.
>>
>> Charlie V.
>>
>>
>> Tim Savelle wrote:
>>     
>>> The guy I bought my 1949 "H" from kept it in a nice, enclosed shop with a
>>> concrete floor.  The day I checked it out, he hit the starter switch and it
>>> fired up immediately....and then "purred like a kitten."  I don't have a
>>> nice, enclosed shop (yet), so my "H" has to stay outside for the time
>>> being.  We've had 3 or 4 days of rain and chilly, damp weather this past
>>> week.  The tractor is now a little difficult to start (doesn't "catch" as
>>> quickly), and it runs a little rough until it warms up.  Could having to
>>> stay outside with constant exposure to the dampness cause this?
>>>       
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