Rick,
The symptoms:
> .........
> In the four years I've been driving it, this car has had a chronic
> problem with sparking over the plug wires. It's obvious at night.
> Little sparks on the wires, under the dizzy cap, jumping from the plugs
> to the head, externally. Idle is a little rough, of course, but she runs
> smooth on the road. Points, rotor and cap don't last long on this car.
> ..........
> Currently, I'm running a Lucas 12V coil with ballast wire
>bypass......"
sound like exactly what I'd expect with the ballast wire being shorted
ALL the time, not only during engine start.
Try measuring the voltage on the + terminal of the coil while the
engine's running. If it's around 12-15 volts, the ballast wire is
shorted (perhaps a PO messed up the wiring).
I assume that specifying the coil as "12V" means that it's for a 12V
electric system incorporating ballast resistance to halve the coil
voltage when running.
I've only just received Dan Master's superb book so I may have missed
his reference to this type of problem but it's possible he didn't think
such a rare fault likely enough to warrant inclusion. (....Dan?)
Cheers ..... Pat Mullen
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