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Electronic Ignition in 1970? |
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Rebel Machine 
AMC Addicted 
Joined: Jul/03/2007 Location: Western Il Status: Offline Points: 5121 |
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 Topic: Electronic Ignition in 1970?Posted: Jan/10/2017 at 8:52pm |
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Helping a friend assemble the 390 for his Machine and he showed me the distributor that came out of it. The car was last run some time in the '70s. It's the correct casting with some kind of electronic ignition module in it. Did AMC offer that as an option in '70 or is it more likely an aftermarket piece?
-Steve- |
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Cricket
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Joined: Jul/06/2015 Location: Milton, FL. Status: Offline Points: 736 |
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Posted: Jan/10/2017 at 9:23pm |
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It could be an old Hayes ignition conversion from the 60's and 70's. Might even still work.
Cricket |
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Sonic Silver
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Joined: Nov/23/2011 Location: East Tennessee Status: Online Points: 7969 |
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Posted: Jan/10/2017 at 9:28pm |
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ccowx
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Joined: Nov/03/2010 Location: Yukon Status: Offline Points: 3510 |
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Posted: Jan/11/2017 at 6:54pm |
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There was some sort of "capacitive discharge Ignition system" sold through the Group 19 parts listing. It looks like a standard distributor with the stock cap and vacuum module, but it has a different wiring plug and some sort of finned box similar to an MSD 6a box that goes with it.
Chris
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Rebel Machine
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Posted: Jan/12/2017 at 6:47am |
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I'll see if I can get pics of what he's got.
-Steve- |
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6PakBee
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Posted: Jan/12/2017 at 7:25am |
Mopar used that type of CD ignition as an aftermarket performance offering in the late '60's also. It still used the points as the trigger though, no electronics in the distributor. I couldn't easily round up a photo of the Mopar unit but from memory the control box looks just like the Group 19 AMC piece. |
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Roger Gazur
1969 'B' Scheme SC/Rambler 1970 RWB 4-spd Machine 1970 Sonic Silver auto AMX All project cars. Forum Cockroach |
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uncljohn
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Joined: Jan/03/2013 Location: Peoria AZ Status: Offline Points: 5394 |
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Posted: Jan/13/2017 at 3:59am |
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From the description it does not sound as if it is OEM, but if you have the distributor number it can be looked up in the TSM to see if it is an OEM distributor for 1970. The probability is that it is aftermarket but the distributor might actually be correct for the engine and it has a conversion piece in it.
Depending on what you want to do with it, remember it is a GM distributor and swap meets are full of them for parts to put it back together as an OEM style unit if you want to do that. |
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70 390 5spd Donohue
74 Hornet In restoration 76 Hornet, 5.7L Mercury Marine Power 80 Fuel Injected I6 Spirit 74 232 I-6, 4bbl, 270HL Isky Cam |
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Class Guy
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Posted: Jan/13/2017 at 8:18am |
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GM offered a "transistorized" ignition system starting in 1965. They had different configurations in the years 1965-1973 before the HEI was introduced. You can google it and maybe find some comparative information.
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ccowx
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Posted: Jan/13/2017 at 8:24am |
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The AMC CD ignition was the GM K-66 transistorized ignition that was used in Vette's, GTO's and 442's. Makes sense since it was designed for the D-R distributor housing, so it would be basically a bolt in. It is in the Group 19 listing but it is not on the dealer installed brochure.
Chris
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Rebel Machine
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Posted: Jan/14/2017 at 6:05pm |
I think you're right. -Steve-   |
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Rebel Machine wrote: