[AT] Firing on two instead of four

Tim Nobles tnobles at netsync.net
Sun Nov 26 07:44:20 PST 2006


I did try the cross wire on the two which were not firing.  Didn't work.  We 
have company today, may get a chance to go out and play with it some more.

Thanks
Tim
----- Original Message ----- 
From: "Lew Best" <bee_keeper at earthlink.net>
To: "'Antique tractor email discussion group'" 
<at at lists.antique-tractor.com>
Sent: Saturday, November 25, 2006 8:21 PM
Subject: RE: [AT] Firing on two instead of four


> Any chance it could be crosswired?  I've seen this happen several times;
> on any 4 cyl engine I've seen it'll "hit-miss-hit-miss" sounding pretty
> good (skipping every other beat) but very little power (the 2 crossed
> wires firing on the exhaust strokes).  Just try switching wires straight
> the cap & you'll know; if it is cross wired & you switch the correct 2
> it'll run great; if you switch the incorrect 2 it won't run at all.
>
> Lew Best near Waco, TX
>
>
> -----Original Message-----
> From: at-bounces at lists.antique-tractor.com
> [mailto:at-bounces at lists.antique-tractor.com] On Behalf Of Tim Nobles
> Sent: Saturday, November 25, 2006 6:48 PM
> To: Antique tractor email discussion group
> Subject: [AT] Firing on two instead of four
>
> Hey,
>    I was playing a short time today with my Case SC which I got at the
> end
> of the summer.  It had sat for a few years.  I couldn't get it to fire
> at
> first when I picked it up in August, but just put in four new plugs and
> it
> ran great.
>    Anyway, lately it has been running on just two cylinders.  So I took
> the
> plugs out and cleaned them and laid each individually down and turned
> the
> engine over.  Had strong spark in all four.  But still only running on
> two.
> Had a new spark plug wire which I tried and still the two would not fire
>
> when tractor was running.  Even switched the good wires to the bad plugs
> and
> vice-versa....same results.
>    My last test was I pulled the wire to the plugs which were not
> firing
> off the distributor cap while the tractor was runnining.  As I held it
> about
> 1/2 inch from the distibutor, it arced and fired.  Did the same with the
>
> other wire which wasn't firing.  Cleaned the contacts and reconnected
> the
> wires.  Same old thing.
>    Suggestions???  Is the distributor bad?  Tried to look close for
> cracks
> or wear.  Looking for the next step.
>
>    Thanks.  I don't contribute much anymore, but still lurk.
>
> Tim Nobles
> tnobles at netsync.net
>
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> Remembering Our Friend Cecil Monson 11-4-2005
> http://www.antique-tractor.com/mailman/listinfo/at
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