The resistor he is referring to is wired
across the distributor only. NOT
the ballast for the coil. If you look at late
model schematics, you'll see a resistor
right next to the distributor with both leads
going right to the dist.
It was usually bolted to the engine right
below the dist.
Paul Tegler
wizardz@toad.net
www.teglerizer.com
----- Original Message -----
From: "Donald H Locker" <dhl@chelseamsl.com>
To: <bschwart@postoffice.pacbell.net>
Cc: <spitfires@autox.team.net>; <triumphs@autox.team.net>
Sent: Wednesday, September 11, 2002 10:45 PM
Subject: Re: Distributor wiring
> I don't know which wiring diascratches you are looking at, but the
> MkIV/1500 schematics show either a resistor wire or a resistor, not
> both. You should be able to measure the primary resistance of the
> coil and use a resistor of the "same" resistance. Alternatively, pick
> up any resistor for an ignition coil and you will probably be pretty
> close to the right value. AFAIK, they vary from 3.0 to 4.2 ohms.
>
> $10 to $12/ohm is OUTRAGEOUS!
>
> HTH,
> Donald.
>
> > From: "bschwart@postoffice.pacbell.net"
> > <bschwart@postoffice.pacbell.net>
> > Date: Wed, 11 Sep 2002 11:39:59 -0400
> >
> > I just purchased a later model Distributor from a 1500 with the integral
> > ignition module on the side to use on my 1970 1300 Spitfire. I am
wiring
> > the whole car up myself so that isnt a problem. The problem I do see
is
> > that on the wiring diagrams that I have for the later model Spitfires
there
> > is a ballast wire AND a drive resistor the drive resistor is $40 which
> > seems a little pricey! Can anybody tell me the resistance of this unit
or
> > if it is the same as the ballast resistor that I will be using instead
of
> > the ballast wire currently used on the production Spitfires. In other
> > words, can I just use two ballast resistors, one for the coil and one
for
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