Hay Guys,
Do we go into the parts house and specify plug polarity for a positive
ground MG? ;^)
CR
BobMGT@aol.com wrote:
>
> In a message dated 8/7/98 3:13:40 PM !!!First Boot!!!, DANMAS writes:
>
> > You are right, the coil itself is not polarity sensitive; However, the spark
> > plugs are, and, because of the internal wiring configuration, the way the
> > coil is connected to the points creates an apparant polarity sensitive
> > situation.
> >
> > The tip of the spark plug is hotter than the electrode, which makes it
> > easier to discharge electrons from the tip, rather than from the electrode.
> > Some estimates say that making the tip negative gives up to a 20 -30 %
> hotter
> > spark.
> >
>
> Dan:
>
> This makes sense in light of vacuum tube theory. The cathode, which is the
> heated element, is always negative. The plate is not heated and it is always
> positive. Electron flow is from the negative cathode to the positive plate.
> Huum, now if we just put a grid in the spark plug.........
>
> Bob Donahue (Still stuck in the '50s)
> EMAIL - BOBMGT@AOL.COM
> 52 MGTD - under DIY restoration NEMGTR #11470
> 71 MGB - AMGBA #96-12029, NAMGBR #7-3336
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