Dave, Ok I gotcha, I should pick the prettiest ones. : )
Mark
----- Original Message -----
From: "Dave & M" <rusd@velocitus.net>
To: "Mark and Kathy" <mgtrcars@galaxyinternet.net>
Cc: <healeys@autox.team.net>
Sent: Monday, August 28, 2006 5:08 PM
Subject: Re: Plug Wires
> Hi Mark,
>
> To put this 9k ohms of plug wire resistance into perspective, the
> distributor rotor to cap gap is likely to be around 60k when ionized.
> Additionally, the plug gap itself may be somewhere around 160k or more
> when ionized & under compression pressure, & the cap center carbon
> around 11k, for 240k total resistance.
>
> The resistor plug wires at 9k, represent about 4% maximum increase of
> total circuit resistance. Since the average coil puts out enough
> voltage to handle two or three times the 240k resistance, I doubt if
> there will be much gain from decreasing the plug wire resistance, unless
> there is already something marginal in the ignition system.
>
> If estimated plug current is 50 milliamps. 240k * .050 A = 12 kv to fire
> the plug.
> With zero resistance plug wires, 231k * .050 A = 11.5 kv to fire the plug.
>
> The numbers I have used are subject to many variables & they should be
> taken as an approximation only.
>
> Dave Russell
> BN2
>
>
> Mark and Kathy wrote:
> > I have 2 new sets of plug wires that I can use . One has the solid
> > wire core and the other has the carbon type. Just for curiosity
> > sake I did a resistance check on all the cables from both sets and
> > they all read in the 8 to 9K ohm area.
> >
> > Except for one. The coil wire for the solid core set checked to
> > have almost no resistance and set off my continuity buzzer.
> >
> > My thoughts are that the solid core would deliver more current to the
> > plugs because of less resistance. Reviewing uncle OHMs law: E/R=
> > I. As the R goes down then I would go up. More current
> > delivered.
> >
> > Is this positive thinking? Any feedback would be appreciated.
> >
> > Mark
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