[AT] Cub problem

[Tyler Juranek]

Greg,
 Just a thought...
 My Oliver 88 had a simmilar problem about a year ago. I was driving
up the road and it would sputter but keep running, then run fine for a
bit, etc.
 I pulled the drain plug on the carb, and, like yours, it drained fine.
 So I pulled the sediment bowl, and sure enough, there was a few dirt
particles in it.
Cleaned it out, put it back together, got fuel flowing in the bowl,
and it ran like an Oliver ever since.
 So maybe its the sediment bowl?
 Have a good day,
 Tyler Juranek

On 5/12/16, macowboy at comcast.net <macowboy at comcast.net> wrote:
> Greg;
>
> I had a similar problem with my Super H. It ended up being the coil. Who
> knows how old it was when I got it but I replaced it and the problem went
> away.
>
> Jim Thomson
> Rehoboth, MA
>
> ----- Original Message -----
>
> From: "Greg Hass" <ghass at m3isp.com>
> To: at at lists.antique-tractor.com
> Sent: Thursday, May 12, 2016 2:15:30 PM
> Subject: [AT] Cub problem
>
> Am having trouble with my 1949 Farmall Cub. It sat from fall until about
> April when I started it. It started right up and ran fine for a minute
> or so then started missing and almost stopped a couple of times, then in
> an instant ran fine for a minute or so and did the same thing over again
> and again until I shut it off. A few days later I tried it again and the
> same thing. I worked the garden and the same. I might make a pass or two
> just fine and I will have to stop a minute or so until it runs right and
> then go again. I took the drain plug out of the carb and fuel flow seems
> ok. Choking it actually makes the problem worse. Also the problem clears
> up too fast to be fuel (my idea). A couple of years ago I switched to
> battery ignition; I did not put a whole unit on but fastened a coil onto
> the mag. It has worked perfect until now. It seems as if the spark
> starts following a carbon mark or something and then suddenly starts
> following the correct path. I checked the cap and found no moisture
> inside. I know the plug wires are old but looked in the dark and could
> see no sparks. Most of the problem is knowing if electrical or fuel. I
> am guessing electrical because it seems to clear up and start too quick
> to be fuel plus if starved for fuel the choke will usually help for a
> few seconds. I put points and condenser in when I changed to coil. Any
> ideas.
> Greg Hass
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