for sure the floats!  had same problem, 1 was not adjusted correctly.
My stag would actually from time to time quit running. one time it quit,
I thought to disconnect the fuel pump (electric)Â and it started up
after a few cranks
Patrick
71 Stag
On 10/3/2023 3:30 PM, Anthony Rhodes wrote:
> If it is dumping gas that badly, then it is not a problem with the metering
> needle. That is really a fine tuning device.
>
> That much gas may be from the float chambers having too much fuel. Way too
> much.
>
> Check the pressure in the fuel line. If it is too high it will overcome the
> float valve.
>
> Maybe the float valves are not sealing? Maybe the floats are not adjusted
> properly? Or not actually floating and are just sinkers?
>
> -Tony
>
> Sent from my 1837 Babbage Analytical Engine
>
>> On Oct 3, 2023, at 2:44 PM, triumphs-request@autox.team.net wrote:
>>
>> Message: 1
>> Date: Thu, 28 Sep 2023 17:57:54 -0700
>> From: Frank Burkhart
>
>> I?m hoping that someone out in Triumph world can provide some
>> clarification on carburetors. Currently, Zenith Stromberg carbs on my 1975
>> TR6. The car has been running poorly since Trimphest (too many RPMs?). And
>> then it died completely but turned out to need a new rotor. Asked the
>> mechanic, Mike, to take a look at the everything to figure out what can be
>> made better. What he found was the carbs were dumping gas into the
>> cylinders especially when starting, to the point the gas was washing down
>> the cylinder walls preventing the rings from sealing. Result was a lot of
>> white smoke.
>>
>> The carbs were rebuilt about 18 months ago by Apple Hydraulics in New York.
>> Supposedly all new parts including a new piston in one of the carbs.
>> Mechanic Mike is questioning the quality but . . . Several paths to try:
>>
>> 1. New needles and basic over haul. Least expensive but maybe stopgap
>> measure.
>>
>> 2. Rebuild these carbs using a different shop. Mike recommends a shop in
>> Colorado. I?m would worry about a 2nd rebuild in short period of time.
>>
>> 3. Replace the carbs.
>> 3a. Mike has a pair of SU carbs in good shape. Mike would replace
>> ?consumables? and install
>>
>> 3b. Find a pair Stromberg carbs
>>
>> 3c. Mike likes carbs by Mikuni
>>
>> 3c. Replace with Webers
>>
>> Any ideas / suggestions on what path seems the best?
>>
>> Hope all the world is going well for all. Hope to see everyone at Velocity.
>>
>>
>> Thank you,
>> Frank Burkhart
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