[6pack] fuel problem

[Patrick Bitton]

I replaced the needle valve and everything is running as it should. Now I
need to fine tune the carbs to get the right mixture. Right now they are
running a little too rich but I can't get the needles properly adjusted. I
feel that as much as I turn the tool, I can't get it to run a little leaner.
I guess it's trial and error.
I did take it for a little test drive and I can hear the carbs sucking in A
LOT of air.

I will give a further update as soon as I can get it fine-tuned.

Patrick 

-----Original Message-----
From: 6pack [mailto:6pack-bounces at autox.team.net] On Behalf Of COLIN THOM
via 6pack
Sent: Wednesday, September 12, 2018 9:05 PM
To: 6pack at autox.team.net
Subject: [6pack] fuel problem

the fuel pump never stops pumping. The needle valve in the float bowl (not
the mixing needle and jet) is what sends unneeded fuel back to the tank. If
the needle valve in the float boat sticks open, or the float(s) get a hole
in them and cease to float, fuel will certainly flood the carb throat

Colin
75-sold :-(


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Sent: Tue, 11 Sep 2018 12:00:01 -0600 (MDT)
Subject: 6pack Digest, Vol 46, Issue 9

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Today's Topics:

   1. Re: fuel problem (Andrew Uprichard)


----------------------------------------------------------------------

Message: 1
Date: Tue, 11 Sep 2018 07:52:15 -0400
From: "Andrew Uprichard" <auprichard at uprichard.net>
To: "'Patrick Bitton'" <pbitton at tr-6.net>,	<6pack at autox.team.net>
Subject: Re: [6pack] fuel problem
Message-ID: <006f01d449c5$e2eb6690$a8c233b0$@uprichard.net>
Content-Type: text/plain;	charset="US-ASCII"

Maybe I am missing something (not uncommon), but I wouldn't have thought a
stuck needle valve would result in gas being dumped into the engine.  If
this is happening, I would think there is a problem with the gas pump.  I
don't know the TR6, but I imagine the mechanism is the same as the earlier
cars with a rubber diaphragm which can leak.

Do you think the problem may be your pump?

Andrew Uprichard
Jackson, Michigan

-----Original Message-----
From: 6pack [mailto:6pack-bounces at autox.team.net] On Behalf Of Patrick
Bitton via 6pack
Sent: Sunday, September 9, 2018 3:49 PM
To: 6pack at autox.team.net
Subject: Re: [6pack] fuel problem

Thank you everyone for your suggestions.
Indeed the needle was stuck. 
I drained the gas from the carbs and blew some WD-40 and tapped the bowls
with a small wrench and it work.
Needless to say that when I changed the oil, the viscosity of the oil was
like water because of all the gas that made its way into the engine.
However, the car is now running REALLY rough. When I give gas, it start to
putter and I have to pump the gas to get the revs up and then it will die.
I never had that problem. What can this be?

Thanks,

Patrick Bitton


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