Labor Day Putting down your wrenches or time for MORE wrenching? 
Plenty of places to share. | | Click on image for the lowdown. 
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Global Mod,
Mod | | | Forums66 Topics128,003 Posts1,055,245 Members48,418 | | Most Online14,466 Apr 26th, 2026 | | AD Chevy Trucks Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down with Ads! Again, thanks! | | | | Joined: Mar 2014 Posts: 4,473 Moderator, Electrical Bay | | Moderator, Electrical Bay Joined: Mar 2014 Posts: 4,473 | I can answer that last question. Sadly there is no fix for that plastic ring. It won't fail all at once, but it is going to fail. Two reasons: One, the magnets in it are very weak. They have to be or the simple little Hall Effect sensor won't cycle as it should. Hopefully you understand that is all this thing ever was...magnets separated by slots and a Hall Effect sensor. Two, magnets lose magnetism when they're heated and these are in a hot environment. Heat causes disorganization in the magnetic domains and if the Curie temp is reached the magnet may be toast forever. Depends entirely on what the magnet is made of. This was all discussed around here some time ago. Please let me know if you need digital images. I think I may have kept them. Good luck.
~ Jon 1952 1/2 ton with 1959 235 | T5 with 3.07 rear end
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Entire Thread
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Pertronix Igniter II, III
| Rock49 | 02/13/2026 5:37 PM |
Re: Pertronix Igniter II, III
| Hotrod Lincoln | 02/13/2026 6:07 PM |
Re: Pertronix Igniter II, III
| Rock49 | 02/14/2026 1:44 AM |
Re: Pertronix Igniter II, III
| Hotrod Lincoln | 02/14/2026 4:08 AM |
Re: Pertronix Igniter II, III
| Jon G | 02/14/2026 5:24 AM |
Re: Pertronix Igniter II, III
| Rock49 | 02/14/2026 4:55 PM |
Re: Pertronix Igniter II, III
| Otto Skorzeny | 02/14/2026 5:29 PM |
Re: Pertronix Igniter II, III
| Rock49 | 02/14/2026 9:44 PM |
Re: Pertronix Igniter II, III
| Jon G | 02/14/2026 10:30 PM |
Re: Pertronix Igniter II, III
| Rock49 | 02/14/2026 11:38 PM |
Re: Pertronix Igniter II, III
| Rock49 | 02/15/2026 5:19 AM |
Re: Pertronix Igniter II, III
| TrknGMC | 02/15/2026 2:28 PM |
Re: Pertronix Igniter II, III
| Rock49 | 02/15/2026 3:00 PM |
Re: Pertronix Igniter II, III
| Rock49 | 02/15/2026 3:30 PM |
Re: Pertronix Igniter II, III
| TrknGMC | 02/15/2026 7:49 PM |
Re: Pertronix Igniter II, III
| Rock49 | 02/18/2026 3:05 PM |
Re: Pertronix Igniter II, III
| Rock49 | 02/15/2026 10:46 PM |
Re: Pertronix Igniter II, III
| Jon G | 02/18/2026 8:02 PM |
Re: Pertronix Igniter II, III
| Tronman | 02/18/2026 8:32 PM |
Re: Pertronix Igniter II, III
| Rock49 | 02/19/2026 2:45 PM |
Re: Pertronix Igniter II, III
| Jon G | 02/19/2026 10:40 PM |
Re: Pertronix Igniter II, III
| TrknGMC | 02/20/2026 1:11 AM |
Re: Pertronix Igniter II, III
| EchoBravoSierra | 02/20/2026 3:39 PM |
Re: Pertronix Igniter II, III
| Jon G | 02/20/2026 4:50 PM |
Re: Pertronix Igniter II, III
| Rock49 | 02/20/2026 6:24 PM |
Re: Pertronix Igniter II, III
| Rock49 | 02/20/2026 9:28 PM |
Re: Pertronix Igniter II, III
| TrknGMC | 02/21/2026 1:16 AM |
Re: Pertronix Igniter II, III
| Rock49 | 02/21/2026 2:00 AM |
Re: Pertronix Igniter II, III
| EchoBravoSierra | 02/24/2026 6:03 PM |
Re: Pertronix Igniter II, III
| Rock49 | 02/24/2026 8:07 PM |
Re: Pertronix Igniter II, III
| DaveV | 02/21/2026 1:18 PM |
Re: Pertronix Igniter II, III
| TrknGMC | 02/21/2026 1:45 PM |
Re: Pertronix Igniter II, III
| Rock49 | 02/21/2026 4:34 PM |
Re: Pertronix Igniter II, III
| Hotrod Lincoln | 02/21/2026 4:53 PM |
Re: Pertronix Igniter II, III
| Rock49 | 02/21/2026 8:03 PM |
Re: Pertronix Igniter II, III
| Bill Hanlon | 02/21/2026 8:30 PM |
Re: Pertronix Igniter II, III
| Hotrod Lincoln | 02/21/2026 8:46 PM |
Re: Pertronix Igniter II, III
| Rock49 | 02/21/2026 10:29 PM | |
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