Thanks everyone for all the advice and great tips. Will check the tank
pressure, vent lines, potential debris, and fuel pump. I know now that I am
working from pump back to the tank. All is good from pump to and through the
carbs. This has been a good exercise for getting my mechanical diagnosing
skills back on track. I do have a spare electric that I could check too. Back
to the garage today and will keep you all posted.
Grateful in Ocala!
Jim Henningsen
-----Original Message-----
From: Triumphs <triumphs-bounces@autox.team.net> On Behalf Of Mark J Bradakis
Sent: Thursday, July 11, 2019 11:10 PM
To: triumphs@autox.team.net
Subject: Re: [TR] Sleepless in Ocala
Many years ago when I was working at Bailey's, there was a fellow with am MG
that would run almost all the time. He had a problem getting up the hill to
his house, though. I fussed with it for hours, messing with the ignition and
checking the carb setup. It ran fine in the shop, revved easily, test drives
around the block were fine. The big test was heading up this one street
towards his home in the foothills, a long steady incline. It would start out
just fine, but slowly lose power going up the hill until finally sputtering to
a stop. After a few minutes, it would fire right up. After a few of these
longet test runs, I thought I had it figured out, took the rubber bumper B up
the 45th South test circuit. Same thing. I coasted to the side of the road,
quite perplexed and frustrated. I wasn't sure what to check next. I thought it
does have gas in the tank, right? Went to check. As I started to remove the
gas cap there was a HUGE rush of air into the tank. Replaced the cap, it fired
right up and I drove it back to the shop. We fixed the blocked gas tank vent
plumbing, and the problem disappeared.
mjb.
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