[Healeys] Petronix Ignitor

[Alan Seigrist]

They say if you have a V8 or V12, there's no need for ballast.  6cyl
racer doesn't need it, but 6cyl street car should.  4cyl definitely.
Something about an fully charged coil over heating the module.  You're
probably fine with the 6cyl but might have problems at idle on very
hot days.



On 10/4/11, Bob Spidell <bspidell at comcast.net> wrote:
> re: "... If you have a 4 cyl motor, you have to get a 3 ohm coil to go with
> the Pertronix. "
>
> Soooooo ... the 4-cyl coils are different than the 6-cyl?
>
> I've run Pertronix with a stock (6-cyl) coil for years.
>
> Bob
>
>
> On 10/3/2011 6:02 PM, Alan Seigrist wrote:
>> Jonas -
>>
>> Probably most of the people getting the low speed miss are not using a
>> ballasted coil.  If you have a 4 cyl motor, you have to get a 3 ohm coil
>> to
>> go with the Pertronix.  Simply swapping out the points is not enough.  If
>> not, the EI unit will overheat at idle and start misfiring.  If you have a
>> high energy coil like a Lucas Sports coil, the problem will only be worse.
>>   For whatever reason, Pertronix does not do a very good job of telling
>> people that if they buy the original Ignitor module, they need 3 ohms of
>> ballast in the coil.
>>
>> If you buy an Ignitor II module, then a low resistance coil will work
>> fine.
>>
>> http://www.pertronix.com/prod/ig/flame/coils/40000_volt.aspx
>>
>> Regards,
>>
>> Alan
>>
>>
>>
>> On Tue, Oct 4, 2011 at 12:56 AM, Jonas Payne<JPayne at thorcon.net>  wrote:
>>
>>> It would appear that my Petronix Ignitor isn't working so hot.  Oddly
>>> enough, a good friend who just installed on in his Lotus Esprit is
>>> suffering from a low RPM miss.
>>>
>>> Looking on the Morgan, Jag, Triumph and Healey Lists, there has been a
>>> lot of discussion about a "bad run" of these things, but I don't see any
>>> hard data.
>>>
>>> Does anybody know:
>>>
>>>         If in fact the "bad run" has been acknowledged by Petronix?
>>>         Is there any way to identify them?
>>>         What is (are) the specific performance issue(s)?
>>>
>>>
>>> Jonas Payne
>>> PBR
>>> Cell:   (702) 358-5084
>>>
>
>
> --
> *******************************************************************
> Bob Spidell           San Jose, CA            bspidell at comcast.net
>
> *******************************************************************
>
>

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