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Correct ballast resistor with Mopar Perf Ignition?
#2701451
09/27/19 04:05 PM
09/27/19 04:05 PM
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Joined: Dec 2003
Posts: 3,519
Lansing, MI
70gtx440dana
OP
master
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OP
master
Joined: Dec 2003
Posts: 3,519
Lansing, MI
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I installed a Mopar performance electronic distributor with Chrome box ECU in my 1970 440.
I have the following Accel 8140M ignition coil:
Super Stock Universal Performance Coil
SPECIFICATIONS:
Color: Yellow
Maximum Voltage: 42000
Package Quantity: 1
Primary Resistance: 1.400 ohms
Secondary Resistance: 9.2K ohms
Turns Ratio: 94:1
From the info above coil specs I assume I should be running a ballast with approximately 1.4 ohms. I currently have the original points style 0.6 ohm resistor installed. I am thinking I may be asking for trouble with the coil overheating. Should I upgrade to the 1.4 ohm resistor? If so, what brand do you like?
I see these models are available at approx. 1.4 ohms:
NAPA* Echlin* ICR11 (1.35 Ohms)
NAPA Echlin ICR34 (1.4 Ohms)
Lucas* 3BR (1.3 - 1.4 Ohms)
Mopar* DCC-4529795 (1.4 Ohms)
Accel* ACC-150250 (1.35 Ohms)
Standard* RU-4 (1.35 Ohms)
Standard RU-23 (1.2 ohms)
Standard RU-37 (1.4 Ohms)
Thanks in advance for your advice! Joe
Last edited by 70gtx440dana; 09/27/19 04:07 PM.
70 Road Runner 383-4 4 speed FJ5 & black guts
70 Charger R/T 440-4 4 speed FJ5 & white guts
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Re: Correct ballast resistor with Mopar Perf Ignition?
[Re: 70gtx440dana]
#2701463
09/27/19 04:28 PM
09/27/19 04:28 PM
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Joined: Aug 2007
Posts: 6,095
Valencia, España
NachoRT74
master
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master
Joined: Aug 2007
Posts: 6,095
Valencia, España
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as far I recall the old school Mopar Performance ignition system upgrade kit came with a 0.5-0.8 resistor
Last edited by NachoRT74; 09/27/19 04:28 PM.
With a Charger born in Chrysler assembly plant in Valencia, Venezuela
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Re: Correct ballast resistor with Mopar Perf Ignition?
[Re: 70gtx440dana]
#2701468
09/27/19 04:45 PM
09/27/19 04:45 PM
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Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
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I currently have the original points style 0.6 ohm resistor installed. I am thinking I may be asking for trouble with the coil overheating. Should I upgrade to the 1.4 ohm resistor? You're fine as is
live every 24 hour block of time like it's your last day on earth
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Re: Correct ballast resistor with Mopar Perf Ignition?
[Re: Sinitro]
#2701584
09/27/19 10:53 PM
09/27/19 10:53 PM
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Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
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Yes Ma wants 1 ohm of ballast with it & Accel wants .7 Do you have .6 measured, as the last (OE) point ballast I ohm'd was 1.6
live every 24 hour block of time like it's your last day on earth
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Re: Correct ballast resistor with Mopar Perf Ignition?
[Re: RapidRobert]
#2701701
09/28/19 11:56 AM
09/28/19 11:56 AM
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Joined: Dec 2003
Posts: 3,519
Lansing, MI
70gtx440dana
OP
master
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OP
master
Joined: Dec 2003
Posts: 3,519
Lansing, MI
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I will check the resistance and make sure I am between 0.6 and 1 ohm. Thanks! Joe
70 Road Runner 383-4 4 speed FJ5 & black guts
70 Charger R/T 440-4 4 speed FJ5 & white guts
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