> If every time you top up the dash pot oil, the problem has gone away, and
> you say that the dash-pots were still full, I'd suggest that next time,
> remove the tops to the dashpots, but don't add any oil. I think that you
> may be allowing air into the carb by removing the caps and it may have
nothing
> to do with the oil you say you don't need to add.
>
> I'd suspect that the air you are letting in is equalizing the pressure
somewhere.
Also, there was a thread recently where someone bought a Triumph (Spitfire I
think) for a song that had this problem. For the longest time the PO could
not resolve it. The new owner drained the gas tank. It was half full of
water.
Problem solved
> Don Elliott, 1958 TR3A (with twin SU's)
> Montreal, Canada (not a Z-S user)
Geo Hahn <geohahn@theriver.com> wrote
>
> > Why is this so... I'm driving along and after an hour or so the car
> > begins to get a bad miss on acceleration. It soon gets worse and turns
> > into a persistent miss under any load at all.
> >
> > I'm not talking a little miss that only a driver could feel... I mean a
> > miss that would wake up a sleeping passenger.
> >
> > By trial and error I find I can resolve the problem completely by just
> > topping up the carb dampers with oil... but later, perhaps on the next
> > drive, the problem recurs.
> >
> > The thing is... the dampers seem to have plenty of oil in them when this
> > occurs; that is, to make it run right I must overfill the dampers.
> >
> > I'll confess I haven't yet opened up the carb bodies and inspected the
> > diaphram, etc. Really looking for clues in case this is symptom is
> > similar to others' experiences. Meanwhile, I go nowhere without my
> > little bottle of oil.
> >
> > Geo Hahn
> > 64 TR4
> > Tucson
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