Hi:
Sounds as though you may not be receiving enough gas under load. There is a
filter in the gas pump, on the under side, very accessible and few people check
or clean it. Also, there are filters in the carburetor float bowls. They are
located between the banjo fitting and the intake of the fuel bowl. Actually,
they
are inside the fuel bowl intake and can be very hard to take out. The banjo bolt
is the culprit. I use teflon tape on the banjo bolt threads to ease the removal
of this rascal.
Charles Beard; 52 MGTD, 63 MGB, 66 MGB, 66 TR4, 69 TR6 and a few junks.
"Dr. Moyce" wrote:
> I've let cold weather, holidays and general discouragement move the TD to
> the back of the garage where it gets an occasional scowl as I walk by.
> Readers may recall my recent odyssey into relplacing noisy tappets and
> pushrods, which was followed (though maybe preceeded also) by intermittent
> bad performance. It always starts, but will run rough, and seems to
> alternate between three and four cylinders firing under acceleration.
> Since last posting we had isolated the ignition system, with widly varying
> resistance among the spark plug wires.
> I replaced them, the rotor and the distributor cap, and reset the valves to
> .013 cold. Test drive was disappointing, with moments of restored
> greatness, but mostly hesitation and mild sputtering. Lucas Sport coil,
> Pertronix ignition and new plugs compete the ignition system, so it must be
> somewhere else.
> Carbs performed normally in Colortune testing. Could I have gotten a bad
> tank of gas (water contamination or worse?) I've got a fuel filter in the
> system, which is clear. I'm getting desperate enough to start trying fuel
> additives.
>
> Andy Moyce
> 52 TD
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