[Farmall] Difficult F14

[relong at dybb.com]

I adjusted the valves to .013 when the engine was cold.  I just found out they
are suppose to be adjusted when hot, so maybe the valves are not closing when
it gets warm.  I'll readjust them tonight.

Thanks for the help

Ross



Quoting Karl Olmstead <olmstead at ridgenet.net>:

> I think Andy's nailed the two most probable causes, Ross.  I can't imagine
> an F4 coil firing some cylinders and not others.  If plugs and valves don't
> solve the problem, take a look at the inside of the distributor cap on the
> mag; look for cracks or carbon tracks.
> -Karl
> -----------------------------
> > Andy Glines wrote:
> >
> > Does it have new spark plugs of the correct heat
> > range?  I learned on the F-20 not to trust old plugs
> > no matter how good the "look".  I'm not sure of the
> > proper plug for an F-14 but Gordon Rice at Rice
> > Equipment will tell you which ones to use.  If the
> > plugs are OK how are the valves?  Have you had the
> > vlave cover off and adjusted all of the valves?
> > Sometimes they get a little sticky and want to stick
> > open causing it to miss.
> >
> > --- Ross Long <relong at dybb.com> wrote:
> >
> >> I recently purchase a 38 F14.  It was overhauled
> >> shortly before it was put
> >> in a barn and left for many years.  I have been able
> >> to get it running by
> >> cleaning the gas tank and tuning it up.  The only
> >> problem I have is after it
> >> runs for approximately 5 minutes and starts to warm
> >> up, it starts to miss
> >> fire.  It loses the 4th cylinder and it only fires
> >> occasionally on 1 and 3.
> >> Cylinder two is the only one that fires
> >> consistently.  I've replaced the
> >> cap, points, condenser on the F4 mag with no
> >> difference.  Once it cools off,
> >> it will run fine until it warms up a little and then
> >> it starts again.  Has
> >> anyone seen a coil in a F4 may do something like
> >> this?
> >>
> >>
> >>
> >> Ross
>
>
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