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Author Topic: Electronic ignition box  (Read 183 times)
rob1684
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« on: May 18, 2022, 06:30:54 PM »

I own a 1974 Dodge Charger SE, Ive had it since 1977. I noticed the other night that the electronic ignition box on the left side of the firewall above the coolant hoses seems to be leaking a sticky clear substance. I most likely need to replace it before it quits on me unexpectedly. What is a good replacement for it? and from where, I don't want to go msd. whats your experience or suggestions??
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Nacho-RT74
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« Reply #1 on: May 20, 2022, 12:24:01 AM »

Keep it as far keeps working. The leak is the backing seal melting. Sometimes is due the heat, sometimes because the epoxy itself getting old, but as far your car keeps starting up and running don't replace it.
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Venezuelan RT 74 400 4bbl, 727, 8.75 3.23 open. Now stroked with 440 crank and 3.55 SG. Here is the History and how is actually: http://www.dodgecharger.com/forum/index.php/topic,7603.0/all.html
http://www.dodgecharger.com/forum/index.php/topic,25060.0.html
John_Kunkel
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« Reply #2 on: May 20, 2022, 10:51:54 AM »



https://www.amazon.com/MG-Chemicals-832HD-Black-Encapsulating/dp/B073JNDRXJ/ref=sr_1_3?keywords=potting%2Bcompound%2Bfor%2Belectronics&qid=1653065374&sr=8-3&th=1
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Pardon me but my karma just ran over your dogma.
472 R/T SE
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« Reply #3 on: May 20, 2022, 06:42:29 PM »

Carry a spare.  DAMHIK!

Regulator too depending...
I run a mopar black msd 6al under the battery tray next to vacuum pump.  Still run the factory mopar date coded black box on firewall for looks.
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ODZKing
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« Reply #4 on: May 21, 2022, 05:48:31 PM »

Big Block or Small block? 4 pin or 5 pin?
I would suggest the following. If you want the original black look you can always spray paint it and buy another sticker for the top.

https://www.jegs.com/i/JEGS/555/40800/10002/-1?gclid=Cj0KCQjwm6KUBhC3ARIsACIwxBgYJ-kKxw55YLakU6dFNZjrO4X54tduLI5DrOMfSjZf4n0fFyEPhk8aAs-AEALw_wcB

https://www.ebay.com/itm/265359723441?chn=ps&norover=1&mkevt=1&mkrid=711-117182-37290-0&mkcid=2&itemid=265359723441&targetid=1645685073568&device=c&mktype=&googleloc=9005111&poi=&campaignid=16730423415&mkgroupid=135815925780&rlsatarget=pla-1645685073568&abcId=9300841&merchantid=8161224&gclid=Cj0KCQjwm6KUBhC3ARIsACIwxBi2IhtWvfLmyRm8SiKx9aNNrLKLtXLCMwgNX88qCovD04h8zFvDT-UaAng2EALw_wcB

Also NAPA has them. Original part number is 3874020.
If you want 4 pin:
P3690426...Mopar Perf. "LA" Electronic Conversion Kit w/Vacuum Advance & Orange Box 6000 rpm
P3690427...Mopar Perf. B-Engine Electronic Conversion Kit w/Vacuum Advance & Orange Box 6000 rpm
P3690428...Mopar Perf. B R/B, Hemi Electronic Conversion Kit w/Vacuum Advance & Orange Box 6000 rpm

P4120505...Mopar Perf. High Performance Ignition Control Box Orange 6000 rpm
P4120534...Mopar Perf. High Performance Ignition Control Box Orange 8000 rpm
P4120600...Mopar Perf. High Performance Ignition Control Box Orange 10,000 rpm

more info on my website:
http://www.retrorarities.com/EIconversion.htm
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