[DML] Re: Unprotected DeLorean Ignition Circuit
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[DML] Re: Unprotected DeLorean Ignition Circuit



Farrar,

The problem not necessarily has to be caused by the plug gaps.
I do did change the coil and wires (coil: Pertronix 40kV, cables MSD 
8.5mm) and regapped the plugs according to Bill's suggestions 
(some .06mm if I recall correctly).
Anyway up to the moment of the accident I did over 6000 km (approx 
3800 miles) without problems like yours.

Must have been a coincidence (Murphy's law?).
Perhaps some internal connections in the distributor sparking?

Welmoed.

--- In dmcnews@xxxxxxxxxxxxxxx, Farrar <fhudkins@...> wrote:
>
> Several months ago, the aux relay was removed to ensure that the 
> ignition coil was getting 12 volts not only during cranking but 
during 
> other vehicle operation.
> 
> A few months ago, I replaced the car's spark plugs, I replaced the 
> original ignition coil with an MSD "Blaster 2" coil, replaced the 
spark 
> plug wires with MSD wires, and bought a new cap and rotor. Apart 
from 
> the spark plugs, all of these supplies I got from John Hervey, and 
they 
> all performed fine.
> 
> The work done to the car a few weeks ago -- just prior to 
Gettysburg -- 
> was installation of a new fuel pump, fuel line, fuel filter, intake 
> manifold, and carburetor. We also replaced some coolant and vacuum 
lines 
> while we were in The Valley. Also, in order to take advantage of 
the 
> high voltage setup, the spark plugs were re-gapped: from the stock 
gap 
> of .028" up to .050". About 1600 highway miles later, the 
distributor 
> cap caught fire.
> 
> I don't think we'll ever know what caused the fire, but the most 
likely 
> candidate would seem to be the extra-wide spark plug gap. When I 
replace 
> the distributor, cap, rotor, and wires, I'll re-gap the plugs down 
> closer to .040". The plugs are only a few months old and they're in 
fine 
> shape.
> 
> Meanwhile, I have named my car "Sparky." :)
> 
> Farrar Hudkins
> #2613

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