Pertronix?
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Junior User
Joined: Oct 2003
Posts: 82
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From: Mentor, OH
Pertronix?
I have a 57' 223 inline 6 with points I am thinking about going pointless somebody told me that Pertronix makes a kit and the only one I found was part number pnx-1261 but when i looked on summits racing site for a price it said that the part number was for a later model inline six but no size of inline six. Does anybody know if this is the right part number and if not what is. Also are there any other companys that make a change over kit.
Thanks for any info, Michael
Thanks for any info, Michael
Laughing Gas
Joined: Jun 2003
Posts: 1,218
Likes: 2
From: Parkville, MO (KC)
Go to Pertronix and download their catalog. It should help you identify the exact Ignitor or Ignitor II that you need. Word of warning -- all that matters is the distributor. Sometimes later dizzies get swapped.
The 1266 and 91266 fit dizzies known as "Loadomatic" type. They have vacuum only advance. These were used from about 1957 to 66. See the illustration of the shaft in the dizzy in the Pertronix catalog. If I were betting, I would think that this would be the correct one for a 223.
I would try calling Pertronix directly as well, as they are helpful. But look at your dizzy shaft first and the .pdf from Pertronix.
As tp the best/cheapest source. Try eBay. Several vendors selling new stuff with full warrantly and good eBay rating for very good prices. They may list V8 stuff -- but often they can get you 6 as well -- email them in advance.
fordsix.com has a great forum for the small, older sixes. Might want to ask there too.
Good luck
The 1266 and 91266 fit dizzies known as "Loadomatic" type. They have vacuum only advance. These were used from about 1957 to 66. See the illustration of the shaft in the dizzy in the Pertronix catalog. If I were betting, I would think that this would be the correct one for a 223.
I would try calling Pertronix directly as well, as they are helpful. But look at your dizzy shaft first and the .pdf from Pertronix.
As tp the best/cheapest source. Try eBay. Several vendors selling new stuff with full warrantly and good eBay rating for very good prices. They may list V8 stuff -- but often they can get you 6 as well -- email them in advance.
fordsix.com has a great forum for the small, older sixes. Might want to ask there too.
Good luck
Postmaster
Joined: May 2002
Posts: 3,241
Likes: 3
From: Broken Arrow, OK
A word of warning before you swap to the Pertronix unit. Check the voltage at the primary side of the coil before you get the Pertronix. It requires a lot more juice to run than the points do, I think 10V. If your truck has a ballast resistor or the starter draws a lot of power there might not be sufficient voltage at the Pertronix to make it work. I went through this on an old GTO and it was a pain to work out. This is not a fault with the Pertronix, it is because the vehicle electrical system is not designed to provide the voltage required.
Laughing Gas
Joined: Jun 2003
Posts: 1,218
Likes: 2
From: Parkville, MO (KC)
Yes, you'll need to either remove or bypass the resistor, so that the unit gets a full 12v. But that is quite easy to do --- instructions with the unit suggest it. Get yourself a wiring diagram, or ask over in the 57 forum and someone can tell you what color the wire is that you need to bypass.
Certainly not a reason to discard the pertronix idea.
Certainly not a reason to discard the pertronix idea.
Postmaster
Joined: May 2002
Posts: 3,241
Likes: 3
From: Broken Arrow, OK
I'm not saying it is a reason to not use the Pertronix, I'm just saying it isn't always the easy install it is made out to be. You can save yourself some headache by checking the available voltage first. If you don't have enough to run the unit you need to plan on spending some time upgrading the primary ignition wiring. On the GTO I mentioned bypassig the resistor didn't fix the problem. The combination of 30+ year old wiring and an engine that sucked the battery down to about 10V while cranking forced rewiring the whole circuit to get the needed voltage, and it was still problematic with a hot engine. The guy went back to points instead of going through the headache and expense of making the Pertronix work. It would have been easier to check the voltage at the start and know it would be marginal than to work on the car for 3 days only to return to stock.
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