Monday, January 12, 2009

[Classic Mustang] Re: 6 Cyl. Intake Manifold Rear Freeze Plug

--- In classicmustang@yahoogroups.com, "steve1965gt" <srothaug@...> wrote:

I hadn't gotten that far because we wanted to get it running first
before we continued to change out the wires and coil. We did buy one
of the flamethrower coils, the 3 ohm 40511. Is this a 12v coil? I
just checked the instructions and for normal applications it
recommends to keep the resistor.

Neal

>
> Neal,
> As you stated, the Pertronix needs a good 12V source to operate
> properly. The original wire from the ignition switch to the coil has
> a resistance wire (pink, under the dashboard) spliced into it so that
> when the engine is running, about 5v is supplied to the coil and
> points.
>
> If you retained the OEM coil and just replaced the points & condensor
> with the Pertronix, you'll have to run another wire from the back of
> the ignition switch to the Pertronix. Splice that wire in between the
> switch terminal and the pink resistor wire. The new wire will give
> 12V to the Pertronix while still suppling 5V to the coil.
>
> If you have a 12V coil, you can remove the resistor wire and replace
> it with regular wire, I'd guess about 14 gauge, so both the coil and
> the Pertronix will have 12V.
>
> -Steve-


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