pertronix electronic ignition.

[67jason]

[Glenn]

[67jason]

[pepsiguy78]

Hi guys, I finally bought a Pertronix ignitor for my car and I am having "issues" with the install - help please.
I have a 0-231-178-009 distributor on my car and was sold a Pertronix Ignitor 1847V model kit. I think I was sold the wrong one, I think that one is made for a vacuum advance and my dizzy does not have the can on the side. I believe the model I should have received is the 1847A model.
With that being said I am trying to make this work. The grommet on the model I have is round and the opening on my dizzy is square, I was able to coax the round grommet into the square opening and that is fine. I installed the module into the distributor and put the magnet down the shaft, lined up the indents on the cam lobes and pressed in place. Now it is time to put the rotor on and it does not seat all the way down because of the magnet - ugh! What do I do? Is it because I was sold the wrong model or? I have read where some people have to sand or grind on the bottom of the rotor to get it to fit. What do you think?

[vamram]

[pepsiguy78]

[ashman40]

[vamram]

I use a dremel.
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[andk5591]

I use a belt sander, but its really not critical. The top of the distributor shaft sets the height. The bottom of the rotor is not spinning against anything, so even if its not level, it doesnt matter. I like to make it square, juts because thats how I am.
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[Randy in Maine]

I used my bench grinder.

[Zundfolge1432]

I used a dental tool

[chrisarnt]

If you can afford it I recommend the full coil pack system that replaces the coil and the distributor... or some replace the distributor cap.

I have one on mine and it's great.

[vamram]

[pepsiguy78]

It really seems like Pertronix should mention in the instructions that trimming the rotor may be necessary. Most people say installation is a simple task and I agree except for this step. I wonder why some rotors simply fit and many need trimming. Time to get the saw out- carpentry tools for my ACVW, my "road side" tool bag is getting bigger - ha.

[pepsiguy78]

Update on the Pertronix installation:
After trimming the rotor down by 1/4 inch the rotor slid on and the cap snapped on. With a turn of the key the car came to life and ran smooth.
I used a coping saw to simply trim off the extra length from the rotor and a "side cutter" to shorten the tensioning metal.

[ashman40]

My SVDA distributor was an original VW 034/205 ('74 STD Beetle). My electronic points were Compu-Fire which uses a flat large diameter disc w/ four magnets imbedded.

The disc fits snuggly over the top of the square distributor shaft cam. For my SVDA install I added the included small shim to lift the bottom of the disc high enough so it didn't contact the module. This disc and spacer took up some of the space on the shaft and lifted the rotor.


I only realized there was a problem when I started the engine and saw the distributor cap "dancing". The rotor was hitting the bottom of the posts and lifting the cap as it rotated. Craziest thing I've seen. I was amazed the engine was actually running. I think trimming 1/4" from the bottom of the rotor was just right to allow the rotor to clear the disc and fully seat onto the slot at the top of the shaft. I suppose you may want to cut less and fit it so it is pressing down on the disc to prevent it from lifting up over time (though, technically the CW rotation of the rotor should seat the disc further onto the shaft).
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