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Re: [TR] Sleepless in Ocala

To: "'Mark J Bradakis'" <mark@bradakis.com>, <triumphs@autox.team.net>
Subject: Re: [TR] Sleepless in Ocala
From: "Jim Henningsen" <trguy75@gmail.com>
Date: Fri, 12 Jul 2019 08:41:29 -0400
Delivered-to: mharc@autox.team.net
Delivered-to: triumphs@autox.team.net
References: <02a801d5383c$833af510$89b0df30$@gmail.com> <9B91479B-EFD1-4D05-A324-73ED57E201C2@mac.com> <7B6E68DF-E3D2-44CE-910E-419ECD803F60@gmail.com> <469ED5F4-8FAD-43A4-827E-E9D92EA396E5@flash.net> <CAFtw3aYHK=MDUxEYy6PWqjfWpN0Fyk-YzH8vith-rfqaeXb=7g@mail.gmail.com> <34b3d1f5-3fbb-f4d3-202f-4d791edeb1b4@bradakis.com>
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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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