My only experience is with Spitfires, but it's my understanding that
the late OPUS ignition with the remote control box is nothing but GM
ignition module in a black box with Lucas written on it. I think it's
pretty simple to open the box and replace the module for about $40.
Still, depending on the condition of the distributor (wobble, etc.),
it might be best to replace it. You can then put in electronic
ignition if desired. One thing to consider is the issue of vacuum
advance/retard in your current vs. replacement distributor.
Jeff Scarbrough
Corrosion Acres, Ga.
On Fri, Aug 15, 2014 at 8:32 PM, Jonas Payne <jpaynepbr@cox.net> wrote:
> I have a 1980 MGB in the shop with the original OPUS electronic ignition.
>
> When the car is warm and it gets on an incline, it suddenly quits - no
> coughing, sputtering, anything. It then fires up after a couple minutes and
> goes along fine.
>
> I'm convinced it is an ignition problem, but clearly not the coil, wires or
> plugs.
>
> Car is in very good shape with no obvious loose wires, grounds, etc.
>
> The dist. is effectively 2 black boxes, so I'm at a loss as to how to
> diagnose it.
>
> I can put in a 45D dist, new points, condenser and coil for less than $150,
> and put it back to 1972 spec, which is probably less than the time it will
> take to try and diagnose the other unit and at least at that point, I have a
> system that somebody of reasonable intelligence can sort out.
>
> If anybody has any experience with these things, your comments would be
> greatly appreciated.
>
>
>
>
>
> Jonas Payne
> PBR Consulting Services, LLC
> 702.882.6711
>
> ** triumphs@autox.team.net **
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