[ROVERNET - UK] Mixture problems-resolved, sort of...

[David Read]

Possibly, but if the only thing changed was the electronics for points, 
it would have to be a high resistance within the electronic unit itself.

Cheers
Dave
South Oz

Netspace wrote:
> Or 3. The current is inadequate due to high resistance.
> 
> ----- Original Message ----- From: "David Read" 
> <defender110 at ozemail.com.au>
> To: <rovernet at lyris.ccdata.com>
> Sent: Sunday, October 21, 2007 9:24 AM
> Subject: Re: [ROVERNET - UK] Mixture problems-resolved, sort of...
> 
> 
>> Hi Stephen/Larry
>> My $0.02 worth ... <g>.
>>
>> The Kettering ignition system relies heavily on the maximum possible 
>> energy storage buildup in the coil (dwell) and then breaking the 
>> current flow in the shortest possible time to generate the maximum spark.
>>
>> Electronics should break the flow far faster than the points.
>> If points give a "fatter" spark than the electronics, this suggests
>> to me two possibilities ....
>> 1. The electronics is not allowing current to flow long
>> enough (dwell) or
>> 2. Is not breaking the current fast enough.
>>
>> Cheers
>> Dave
>> South Oz
>>
>> Larry wrote:
>>> Steven, I too am having a tough time with tuning my TC. I have a 
>>> Petronix unit in  place and I would be interested in what they say 
>>> when you call them. Regards, Larry
>>> ----- Original Message ----- From: "Steven Dibdin" <sdibdin at hotmail.com>
>>> To: <rovernet at lyris.ccdata.com>
>>> Sent: Thursday, October 18, 2007 3:23 PM
>>> Subject: [ROVERNET - UK] Mixture problems-resolved, sort of...
>>
>>> Hi All,
>>>
>>> Thank you for all your responses. I have tried a number of solutions 
>>> and the results are:
>>>
>>> New flame thrower coil with points give the best idle and 
>>> performance. This must be the first case of Lucas products beating 
>>> modern electronics. I will call petronix to discuss later on. When 
>>> left to idle plugs would soot up from incomplete combustion after 
>>> about 90 secs.
>>>
>>> The spark at idle with the petronix unit in place was yellow and 
>>> quite weak (0.030" gap on plugs as per instructions).
>>>
>>> With the points in place it was much stronger and would jump a much 
>>> bigger gap. Engine idled for 5 minutes with out a change in idle 
>>> speed or smoothness.
>>
>> <snip>
>>
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> 
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