Hi Listers:
I've been using the Pertronix ignition in my series V for about 1.5
years now. The idle is very smooth, the gas mileage improved and
overall running is better. For the price, about $70.00, I think it's a
great buy.
Paul
In Sunny South Dakota #14649 Pertronix, Weber 32/36, and American
Racing Wheels
Jarrid Gross (Yorba Linda, CA) wrote:
> Alpiners,
>
> I am working with a nissan 2.0 liter industrial engine, and had
> the opportunity to see the difference between points ignition,
> and the pertronix ignitor ignition.
>
> I am designing a spark trigger for a project, and my partner
> replaced the points with the pertronix module, and it smoked
> my circuit.
>
> I had to get out a scope, to see what was killing my circuit, and
> there is was, the pertronix module had a much higher primary
> volatge, with about 3 times more voltage rise slope. The energy
> [as measured] was about 3 to 1 at idle.
>
> The spark was visibly stronger, sharp and blue.
>
> Using the same coil and ballast resistor...
> On the pertronix, the rise on the primary was 1.75 million volts
> per second, with a 375 volt peak, this compared to 500,000 volts
> per second with a 90v peak with the points.
> [Twas the 375 volts that was killing my circuits 250v caps.]
> The main difference between performance, was that the electronic
> ignition doesnt need as much capacitor "condensor" as the points
> do, so the spark rise is faster, with more energy.
>
> The electronic ignition also servs to increase dwell to what
> ever is required of the coil at the rpm that you are running.
>
> So.....
>
> Go get yourself an electronic ignition, the pertronix works well,
> just get 2 of them, and keep one and a screwdriver in the car for
> a spare.
>
> Jarrid Gross
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