Re: [Chrysler300] Surprising source of miss in 300 ?
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Re: [Chrysler300] Surprising source of miss in 300 ?



On 03/06/16 13:44, John Grady jkg@xxxxxxxxxxxxxxxxx [Chrysler300] wrote:

> Yes -- they punt you walk . Different kind of problem !!

> Sent from my iPhone

>> On Mar 4, 2016, at 5:13 PM, Michael Moore <mmoore8425@xxxxxxx>
>> wrote:

>> I was about so say I don’t like them because its too hard to
>> trouble shoot a problem based on my experience. But I wonlt say
>> that ! :-)) Mike Moore 300H On Mar 4, 2016, at 1:33 PM, David
>> Schwandt <finsruskw@xxxxxxxxxxxxxxx> wrote:

>> Have you considered going w/a Pertronix?? I did so 20 years ago
>> after distributor problems drove me crazy, some may say I still
>> am!!!

>> -----Original Message----- From: Chrysler300@xxxxxxxxxxxxxxx
>> [mailto:Chrysler300@xxxxxxxxxxxxxxx] On Behalf Of 'John Grady'
>> jkg@xxxxxxxxxxxxxxxxx [Chrysler300] Sent: Friday, March 04, 2016
>> 1:37 PM To: 'Michael Moore' Cc: Chrysler300@xxxxxxxxxxxxxxx
>> Subject: RE: [Chrysler300] Surprising source of miss in 300 ?

>> Hi Mike, A bad ballast resistor would stop you ---not burn the
>> points.

snip

>> Dwell going UP (if that is correct data) is points way set too
>> close , Mike ...Burning , you would expect an opening up, Dwell
>> drop, unless cam rub block is rubbing down? And so not opening
>> them. Look at the mechanical action with the cap off... There is
>> chance points were set too close, does not matter who did it,  did
>> not open enough, they arc across and burn. Or same thing caused by
>> open capacitor. I had mentioned in an earlier email how critical
>> that setting process is ,and hard to get perfect.

>> Sounds like bad cap..They are intermittent too. Adds to the fun.

In the Telephone industry when they used electromechanical switching,
a serious butt load of relays, contact protection was berry berry
important. All most all ganged relays had a form of capacitor/resister
network on them to aid in controlling arcing, Necessary for long
contact material life. Replacing the contacts on wire spring relays was
a daunting task, usually once in use it was a task that was tried to be
avoided. Once that skill was mastered, the technician that could do it
would usually have a long list of switching centers to go replace
contacts, at least in my experience. (got several nice free lunches
doing that project)

YES, usually once contact wear became noticed, the first thing tried
was replacing the capacitor/resister network. ALTHO I can say that
since they were meant to work a long time, they generally were
not defective, ATT built to last the average lifetime of the hardware.
(No 'Made in China' back then)
If I recall rightly, some of the in use relays usually had an unused 
contact pair set aside as a backup in case the working contacts burned
out.

-- 
  --
Paul Holmgren
If you could sum up all you felt about life and crystallize
it in one master insight, you would have said it all, and
you would be dead  -  Fritz Leiber  -


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Posted by: paul <paulholm@xxxxxxxxxxxxx>
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