Bill,
I concur with Jon Hermance that lean needles are a good idea at our
altitudes. The guideline is that they are recommended over 5,000 ft.,
and I've found them very helpful in getting the right mixture range even
at 4,500 here in SLC.
As you probably know, for TR3's the recommended needle designations are
SM normal, RH rich, and SL lean.
Cheers,
--Gary
wbeech wrote:
> Re-building the SU-6 carbs on the TR3A and was wondering if everyone/anyone
> here uses the 'SM' needle that is supplied for normal altitudes? I am in
> Heber at 6,000ft and was just curious as to whether I should swap out the
> needle while I am at this stage in the re-build or is the consensus that the
> 'SM' needle is OK and can be tuned for this area.
>
> Thanks in advance,
>
> Bill B
> '58 TR-3A TS/30766 L
> '59 TR-3A TS/64974 LO
> "A Triumph is man's best friend, it always comes when it is called...of
> course, some times it is difficult to make it go"
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