[DMCForum] Re: More ignition analysis (ON TOPIC)
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[DMCForum] Re: More ignition analysis (ON TOPIC)



Are you sure the problem doesn't correlate with closing the WOT
switch? What happens if you simply unplug it?

Bill Robertson
#5939

>--- In DMCForum@xxxxxxxxxxxxxxx, "cruznmd" <racuti1@xxxx> wrote:
> I have a nearly new Optima red-top battery.
>
> I measured the resistance of the pulse coil. 731 ohms after sitting
> for 30 minutes, 780 ohms after idling in my parking space for 20
> minutes after a 25 minute drive.
>
> High, but probably not high enough to cause my problems. Still, the
> next step is to measure the voltage from the pulse coil while
> cranking over.
>
> I'll also point out that I had an Accel coil totally fail on the
> DeLorean last December and the resistances across both windings read
> within specs. I may just replace the damn thing to eliminate any
> possibility.
>
> Also, I've come up with an interesting "re-interpretation" of the
> symptoms. It's kind of hard to describe:
>
> It appears that the stumbling occurs during periods of maximum timing
> advance and high (above 2000) RPM's. For instance, If I floor the
> pedal in 4th at 1500 RPM's acceleration is smooth and normal. When I
> rev slightly to pull away, in 1st and 2nd you reach 2000 RPM's
> quickly and the "bogging" occurs. On the highway, at 2500 RPM's in
> 5th, if I press too hard on the pedal the bogging occurs. Why?
> Something happens when the timing advances to a certain point.
> Exactly what it is, I don't know. It only happens under load. It
> won't do it by revving it in the driveway.
>
> Rich A.
>
> I guess what I'm trying to say is,
>
> --- In DMCForum@xxxxxxxxxxxxxxx, "Walter Coe" <Whalt@xxxx> wrote:
> > That sounds better than 10.8V.  What kind of battery do you
> > have? <snip>


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