[TR] Carburetors

[Lee&John Howard]

Frank
This is absolutely an appropriate  query to the NBTG. I expect you'll have
some helpful responses. I personally am surprised that Apple Hydraulics
seems to have botched the job - they're supposed to be the best.
John

On Thu, Sep 28, 2023 at 5:58 PM Frank Burkhart <
islandgirl.sausalito at gmail.com> wrote:

> Hope this email is appropriate to send.  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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