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Worked on the carbs today, and this is what I learned.<br>
The poor running was primarily due to a vacuum leak. This car is a 76 and has had most of the emission items removed. There was a port on the intake manifold that was probably blocked, but it was open causing the poor running. The enrichment valves were both
missing gaskets. This fixed some gas leak on the side of the carbs. The lower port on the forward carb perhaps should be blocked. I looked at a 74 TR6, and on that car this port connects to to the vacuum advance on the distributor.
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Triumphs <triumphs-bounces@autox.team.net> on behalf of Creig Houghtaling <creig555@live.com><br>
<b>Sent:</b> Sunday, March 6, 2016 7:38:49 AM<br>
<b>To:</b> Triumph List<br>
<b>Subject:</b> [TR] TR6 Stromberg question</font>
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<div>My friend's TR6 was running poorly. After the car had been running, and was turned off, I noticed drips of gasoline dropping from the port below the forward carb just in front of the intake manifold. I concluded the Gross jet was not stopping the flow
of gas to the carb and gas was getting pushed into the engine. So I replaced both float valves with standard valves and also changed both floats. After putting everything back together, I ran the car for a few minutes and turned it off. It was dripping gas
out the same port. Looked in the throat from the air filter side and saw a small puddle of gas in the lower area right in front of the venturi. As far as I know, that means the gas isn't shutting off. Perhaps I didn't adjust the float correctly. Or there is
something at the fuel inlet orifice allowing gas to bypass the valve. Is there anything I am missing here? Could the enrichment valve (choke) be the culprit? I haven't touched that yet. I adjusted the new float to fully close the valve when the mold line
of the float was parallel with the horizontal edge of the carb where the fuel reservoir attaches.<br>
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Am I missing anything else here? <br>
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Thanks <br>
Creig Houghtaling<br>
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