Jonas -
I used to have a similar problem with my BJ8. I eventually solved the
problem by chasing down the white wire from the coil, to the
tachometer, to the ignition switch and making sure that wire had clean
firm connections all the way from the ignition switch to the coil. I
later determined that corrosion on the Lucar terminals, and the part
where the wire went into the Lucar female (on the harness) had
corrosion on it to where when the wire heated up, the resistance would
increase and I would start losing spark. Of course I would get some
warning with a sputtering ignition for a bit until it would conk out.
This little white wire gets more current than any other wire in the
harness and should have very good connections for your ignition to
work properly.
Also try swapping your cap and rotor. A final thing to check is if
you are using modern suppressed ignition wires with your lucas
distributor, this could also be a problem. You should only use solid
core wire with a lucas distributor. Modern suppressed wires can lose
their ability to conduct electricity when stuck in an old vibrating
lucas distributor.
Hope that helps.
Alan
On Tue, May 15, 2012 at 4:06 AM, Jonas Payne <JPayne@thorcon.net> wrote:
> For the past 2 weeks, my car has been starting just fine, and can run at
idle
> indefinitely, but within minutes of taking off for a drive, conks out and
will
> not restart - no spark. Initially, after a few minutes, the car would
restart
> and run for about 30 to 40 seconds before conking out again.
>
> Finally it would not start at all. At that point, I swapped out the coil
and
> condenser with one from an operating car and it still wouldn't start.
>
> Over the weekend, I disconnected the "security circuit" at both ends, and
also
> discovered that the nylon washer /capacitor/ground/ points post in the
dist.
> Were assembled in the wrong order. Upon fixing this, the car fired right
up.
>
> Today, it fired right up, warmed up to operating temp, and within 1 minute
of
> running, conked out and will not restart.
>
> Any ideas?
>
>
> Jonas Payne
> PBR
> Cell: (702) 358-5084
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