Dual Point Conversions

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Dual Point Conversions

Postby 409gary » Fri Jun 02, 2017 7:00 am

Does anyone have any experience with the Mallory 61002M conversion kit versus the Petronix conversion kit for K code distributors?
I have resisted the conversion for a long time but I willing to make the switch as long as I am not sacrificing reliability. I have read
some comments regarding the failure of the Petronix modules. Although I can not gauge how frequent these problems are occurring,
it seems the Petronix does not have a very solid reputation. I have not read anything pro or con on the Mallory system, but maybe
there is just not that many in use or there are no problems to report. Hoping someone on this site has some knowledge about
the two, or first hand experience which would be great. Thanks.
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Re: Dual Point Conversions

Postby 289kford » Fri Jun 02, 2017 8:42 am

I can't help on the Mallory, but I've had a Pertronix 1st generation for close to 20 years. I have considered replacement of that with the multi-spark rev limiter version, but not pulled the trigger.
No problems along the way.
Last edited by 289kford on Fri Jun 02, 2017 9:38 am, edited 1 time in total.
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Re: Dual Point Conversions

Postby 409gary » Fri Jun 02, 2017 9:25 am

Were you satisfied with the reliability of the first gen Petronix? Any failures along the way?
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Re: Dual Point Conversions

Postby C6ZZKGT » Fri Jun 02, 2017 10:24 am

If the Mallory is a Unilite version, I would leave it at the store as I have had many problems with them on customers cars. I have been running the first generation Pertronix on my own Kar for, I believe, over 25 years now with no failure. I have had 2 failures on customers cars but that was over 20 years ago. I do carry the original points setup in the glove box just in case, though. :)

-Fred-
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Re: Dual Point Conversions

Postby 409gary » Fri Jun 02, 2017 12:49 pm

The Mallory conversion kit includes the module labeled E-SPARK. To me it looks like the Unilite that was used in the Mallory distributors.
The 61002M kit is a conversion for a Ford distributor. The Unilite and E-SPARK look the same to me but I don't know. I do know that the
E-SPARK is intended for use with Ford coil and factory resistor wire setup. If I remember, the Unilite is intended to use a Mallory distributor
with primary resistance built into the Mallory coil. Could be wrong on all of this, but I wanted to continue with my Ford coil and not use the
Petronix coil that I believe is recommended with that system. Am I confused on this?
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Re: Dual Point Conversions

Postby 289kford » Fri Jun 02, 2017 1:52 pm

I'm using the same coil as before the conversion. I did change the original out for a high voltage performance coil way back in the 80's.
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Re: Dual Point Conversions

Postby C6ZZKGT » Sat Jun 03, 2017 7:13 am

I have been using original coils for Pertronix conversions with no issues. The high performance coils probably work better but I have been trying to keep the systems more original in appearance.

-Fred-
66 K GT Fastback Silver Frost / Black Pony Interior
66 K GT Fastback Signal Flare Red / Black Pony Interior
65 K Coupe Phoenician Yellow / Black Standard Interior
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Re: Dual Point Conversions

Postby 409gary » Sat Jun 03, 2017 5:37 pm

That is what had drawn me to the Mallory unit...the use of the original coil and ballast wire. If the Petronix is actually a better
unit and I can use the Ford coil with the ballast wire disconnected, then that may be the way to go. It looks pretty simple to install.
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Re: Dual Point Conversions

Postby C6ZZKGT » Sat Jun 03, 2017 9:37 pm

I could be in error doing this but I have never disconnected the ballast resistor wire to use the Pertronix.

-Fred-
66 K GT Fastback Silver Frost / Black Pony Interior
66 K GT Fastback Signal Flare Red / Black Pony Interior
65 K Coupe Phoenician Yellow / Black Standard Interior
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Re: Dual Point Conversions

Postby 289kford » Sun Jun 04, 2017 6:10 am

C6ZZKGT wrote:I could be in error doing this but I have never disconnected the ballast resistor wire to use the Pertronix.

-Fred-

I don't recall eliminating or bypassing mine either. But, I am not using a pertonix coil. I thought the coil is what required that step.
The instructions show two sets of installations one using their coil and says bypass resistor second one shows stock coil leaving resister alone. You can probably bypass the resister using the stock coil, wouldn't matter. This is for the Ignitor 1. The next generations require bypass.
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Re: Dual Point Conversions

Postby 409gary » Mon Jun 05, 2017 5:45 am

Thanks for the replies. I forgot to ask in my original post about the tachometer. With the Petronix 1, does the original Rally Pac
tachometer work without modification?
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Re: Dual Point Conversions

Postby 289kford » Mon Jun 05, 2017 5:49 am

Tach works, no mods done.
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Re: Dual Point Conversions

Postby zray » Mon Jun 05, 2017 2:36 pm

C6ZZKGT wrote:I could be in error doing this but I have never disconnected the ballast resistor wire to use the Pertronix.

-Fred-



When I was putting these in for customers, the word I got straight from Pertronix, was try it with the pink wire in place. If it runs OK, Then it's OK. IF it doesn't run OK, then try a full 12v to the ignitor.

Fred, I too, have never had one that did not run OK with the resistor wire in place. But I hear it happens.

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