Hi Darrell,
Are you sure it was carbon? It sounds like a classic case of oil-fouling to
me.
~Mike Brooks
----- Original Message -----
From: <TR250Driver@aol.com>
To: <triumphs@autox.team.net>
Sent: Sunday, May 26, 2002 4:16 PM
Subject: One Black Plug
> Hi guys,
> I took the TR3B out for her first run of the summer today. Barely made it
to
> the Gas Station since she was running very poorly. I didn't think to much
> about it since the gas was nearly a year old. But new 94 octane didn't
> improve things much. I brought her back, cleaned and reset the points and
> noted that the distributor shaft is just a tiny bit loose. Still running
> like crap so I pulled the plugs. Number 1, 2, and 4 looked good just like
> you want them with light brown deposits. Number 3 however was black as
coal
> with heavy carbon deposits. I installed a fresh set of Bosch Platin plugs
> and she took off like a champ. I took her for a 50 mile run and number 3
> looks OK. Any thoughts on the source of carbon fouling in one cylinder?
> Thanks in advance,
> Darrell
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