Re: electronic distributor -- expansion of discussion.
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Re: electronic distributor -- expansion of discussion.



This issue has turned into a bit of a thread.

My Understanding Is:

Electronic ignitions are generally preceived to have significant advantages over points ignition.

Electronic ignition permits an enlarged spark plug gap, which provides a more significant spark which provides easier starting, higher rpms, and somewhat better gas milage than points ignition. There is also the matter of significantly decreased maintenance on the system since there are no points to adjust/replace. A dwell meter need no longer be part of the tune-up kit. In fact electronic ignition itself is no longer part of a tune-up, merely a go/no go question.

All in all, electronic ignition comprises a minor change to a points ignition. The distributor body remains basically the same and the spark is distributed in the same manner. All that changes is the manner in which the coil's spark is triggered. The electronic ignition module that replaces the points provides a "better" signal to the coil (signal starts more rapidly, continues longer, stops more abruptly).

An ignition upgrade does not significantly compensate for other engine difficulties such as compression/bleed down issues, vacume leaks, poor fuel/air mixture control, valve or ignition timing problems. But it does make an otherwise well running engine somewhat better running.

In general all mainstream engines had electronic ignition distributors by the mid 70's and continued with them through the mid 80's (when comuterized ignitions became common). Any later model electronic ignition distributor should be able to be installed in an earlier version of that distributors engine family with minimal difficulty. A common belief is that GM's HEI module is somewhat superior to other manufactureres, but the ones made by other manufactures are not in any sence "bad".

An electronic distributor does not need to have its coil attached to the distributor -- both the coil and the module can be "stand alone" components which are remotely mounted. Thus an electronic distributor can "mimic" a stock distributor.

There are after-market kits that install inside of stock distributors by replacing that distributor's points. Various individuals have various experiences regarding various kit manufactureres and comments may be found in this thread. My cuda has a GM HEI module remotely mounted on the passenger side inner fender and I have been very pleased with the upgrade. But then I do not expect to win any points at a show.

I've got an electric signal tach wired to the HEI module. Its happy with the signal it receives. I think I could have ran the signal off of the coil had I wished.


   ddonner











----- Original Message ----- From: "donnerlaw1" <donnerlaw1@xxxxxxx>
To: <1962to1965mopars@xxxxxxxxxxxxxxxx>
Sent: Saturday, May 09, 2015 9:30 AM
Subject: Re: electronic distributor.


Mark, an oddball, but practical, suggestion.  I'm a '65 slant 6 guy and have
the electronic ignition conversion.  Mine is a (cough, cough) chevy HEI
module driven by a plymouth electronic distributor.  A conprehensive,
instructive, and photo filled thread on the "HEI conversion" is available on
the "Slant Six Forum".  Now this conversion does not retain "stock
appearance" and should that be important to you the "PerTronix" conversion
is reputed to be a reliable one.  If "Mom Mopar" is important to you I
suspect that a later model electronic "distributor system" sway might be
available -- check trucks.

ddonner


----- Original Message ----- From: "Mark Hendren" <gooberdude30@xxxxxxxxx>
To: <1962to1965mopars@xxxxxxxxxxxxxxxx>
Sent: Saturday, May 09, 2015 9:08 AM
Subject: electronic distributor.


Hey guys,

I have a question. I have been wanting to convert my poly 318 to electronic
ignition. All the listing I find are for the LA engines. So my question is
will the kits advertised for the LA engines work on the Poly's ? I'm just
not sure if the distributors are the same on both engines.

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Please address private email -- email of interest to only one person -- directly to that person. That is, email your parts/car transactions and negotiations, as well as other personal messages, only to the intended recipient. Do not just press "reply" and send your email to everyone using the general '62-'65 Clubhouse public email address. This practice will protect your privacy, reduce the total volume of mail and fine-tune the content signal to Mopar topic. Thanks!

1962 to 1965 Mopar Clubhouse Discussion Guidelines:
http://www.1962to1965mopar.ornocar.org/mletiq.html and http://www.1962to1965mopar.ornocar.com/general_disclaimer.html.
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1962 to 1965 Mopar Clubhouse Discussion Guidelines:
http://www.1962to1965mopar.ornocar.org/mletiq.html and http://www.1962to1965mopar.ornocar.com/general_disclaimer.html.
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