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PostPosted: Wed Nov 22, 2017 4:10 pm 
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DI, Have you ever checked the timing displacement, between the two pickups on a stock twin pick up no advance mopar distributor? IE: timing using pickup #1 at zero, timing of pickup #2 at ? without moving the distributor. I just bought a NOS dual pickup and am thinking of trying it on my engine, and switching pickups to alter timing as needed.

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Charrlie_S
65 Valiant 100 2dr post 170 turbo
66 Valiant Signet 225 nitrous
64 Valiant Signet
64 Valiant 4dr 170


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PostPosted: Wed Nov 22, 2017 5:10 pm 
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Quote:
DI, Have you ever checked the timing displacement, between the two pickups on a stock twin pick up no advance mopar distributor?


Yes, the last OEM dual pickup ESC distributor I ran was a 10 degree change when switching between pickups.

That being said... I have "made" a specialty plate from spare pickups and been able to redrill and reclock a pickup for 15 degree swing....

Hope that helps.


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PostPosted: Thu Nov 23, 2017 7:45 am 
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I think 10 degrees will work fine for me. I can run one pickup NA, and use the retarded pickup when spraying nitrous. Right now I am using a fixed single pickup at 18 degrees total. That would allow me 28 * NA, and my 18* on spray, by just flipping a switch. Just bought a NOS dual from ebay for $25.00
Thanks for the info

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Charrlie_S
65 Valiant 100 2dr post 170 turbo
66 Valiant Signet 225 nitrous
64 Valiant Signet
64 Valiant 4dr 170


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PostPosted: Thu Nov 23, 2017 7:29 pm 
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You could use a DPDT relay activated along with the nitrous solenoid to switch between distributor pickups.

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PostPosted: Fri Nov 24, 2017 3:26 am 
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That's my plan. I have a WOT switch on the carb. It activates, the relays for the 1st nitrous stage, and the alternator field cutout. I will add the ign retard relay to be triggered by the nitrous relay. That way, if I don't arm the nitrous system, the retard will not happen.

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Charrlie_S
65 Valiant 100 2dr post 170 turbo
66 Valiant Signet 225 nitrous
64 Valiant Signet
64 Valiant 4dr 170


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PostPosted: Fri Nov 24, 2017 4:42 am 
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Cool idea!

Lou

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