[Healeys] Lucas Sports Coil

[Michael Salter]

Regarding the coil resistance
I pulled out my Fluke meter and got exactly the same results....  these are
B12 coils used on the early BN1 and many other cars including the Jaguar
XK120.
[image: image.png]


Turns out that primary resistance between 4.2 and 4.6 is actually correct
for these, unlike the later styles.

You learn something every day..

M

On Sun, Apr 28, 2019 at 8:56 AM Michael Salter <michael.salter at gmail.com>
wrote:

> Well that's really weird because the one on my car reads 4.6 and works
> fine ... has for ages ... I think I might have to check my ohmmeter 😳
>
> On Sun, Apr 28, 2019, 8:41 AM josef-eckert at t-online.de, <
> josef-eckert at t-online.de> wrote:
>
>> Primary resistance of 2.7 to 3.3 Ohms is right. It doesn´t matter if its
>> an ordinary or a so called Sports Coil. When its 4.5 to 5.5 Ohms the coil
>> is gone. You can bin it.
>>
>>
>>
>> Josef Eckert
>>
>> GERMANY
>>
>>
>>
>>
>>
>>
>>
>> -----Original-Nachricht-----
>>
>> Betreff: Re: [Healeys] Lucas Sports Coil
>>
>> Datum: 2019-04-28T14:35:19+0200
>>
>> Von: "Michael Salter" <michael.salter at gmail.com>
>>
>> An: "Michael MacLean" <rrengineer.mike at att.net>
>>
>>
>>
>>
>>
>>
>> 2.8 seems low to me Michael. I have some original early 100 coils that
>> I'm just cleaning up to put on Ebay and they show readings of around 4.5 -
>> 5.5.
>> Of course that might be a difference between regular and sport coils.
>>
>> M
>>
>> On Sat, Apr 27, 2019, 5:57 PM Michael MacLean, <rrengineer.mike at att.net>
>> wrote:
>>
>>> I have a period Lucas Sports Coil type SA-12 for my BN2.  I have not
>>> tried it yet.  Can anyone give me the specs on it?  I get a reading on my
>>> VOM of 2.8 ohms between the two outer connections and 9,400 ohms for the
>>> center to one outer connection.  Is this coil weak or is this correct?
>>> Mike MacLean
>>> _
>>
>> 
>>
>
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