Sounds like the rear valve sticking closed could be an issue, but also the
fuel line between the carbs could be blocked somehow.
Simple tests on each should reveal the issue.
Are you running the original-styled needle valves or the ball-styled "grose'
valves?
On Aug 1, 2012, at 4:37 AM, KingsCreekTrees@aol.com wrote:
> Hi all;
>
> My TR3A has had a running problem for a long time that I have not had time
> to address. Finally, I am getting around to spending a few minutes here and
> there on it.
>
> After I drive it for 10/15 minutes, there is a very sudden loss of engine
> power and hesitation in the engine. I can usually maintain momentum for a
> couple of minutes and then the engine dies. Five minutes later, it starts
> fine. I've replaced everything ignition related, as well as fuel filter.
>
> I drove the car a couple of weeks ago. As soon as the engine lost power, I
> pulled over and removed the top of the float bowls. The float in the front
> carb was floating. The float in the rear carb was not, and there was no
> fuel in the bowl. There do not appear to be any external leaks in the
carbs.
>
> Am I safe to assume this is a float valve problem?
>
> Tim
>
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