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Coil instullation #1894557 08/18/15 05:18 PM 08/18/15 05:18 PM
Joined: Mar 2007 Posts: 451 Streetsboro,Ohio 70dart318 OP mopar
70dart318 OP mopar Joined: Mar 2007 Posts: 451 Streetsboro,Ohio	I bought and installed a MP electronic ignition on my 70 Dart with a 360. We broke the engine in and put the inner springs in the valves on the heads. We took the plugs out to put the air hose to keep the valves open. The plugs were black my friend adjusted the carb. and reset the timing. He said maybe a hotter coil would burn cleaner. I bought a 1.5 ohm Pertronix Flame-Thrower. The instructions say to remove the resistor. Is that a good idea? Can you us it with the resistor. Thank you for your help.

Re: Coil instullation [Re: 70dart318] #1894752 08/18/15 08:47 PM 08/18/15 08:47 PM
Joined: Aug 2003 Posts: 43,195 Bend,OR USA C Cab_Burge I Win
Cab_Burge I Win C Joined: Aug 2003 Posts: 43,195 Bend,OR USA	A ignition coil is a voltage transformer, it will only make the voltage high enough to jump the gap it sees at the time it fires, if it is idling with no load the voltage requirement will be much less than at wide open throttle above 5000 RPM Don't change the coil It will be a waste of effort and money Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)

Re: Coil instullation [Re: 70dart318] #1894767 08/18/15 09:00 PM 08/18/15 09:00 PM
Joined: Jun 2003 Posts: 52,972 Romeo MI MR_P_BODY Master
MR_P_BODY Master Joined: Jun 2003 Posts: 52,972 Romeo MI	Originally Posted By 70dart318 I bought and installed a MP electronic ignition on my 70 Dart with a 360. We broke the engine in and put the inner springs in the valves on the heads. We took the plugs out to put the air hose to keep the valves open. The plugs were black my friend adjusted the carb. and reset the timing. He said maybe a hotter coil would burn cleaner. I bought a 1.5 ohm Pertronix Flame-Thrower. The instructions say to remove the resistor. Is that a good idea? Can you us it with the resistor. Thank you for your help. That coil doesnt use the resistor because it was designed for full 12+ volts... if it says dont use it... dont.... thats the same as MSD.. they dont use a resistor either... but in MOST cases.. you have to join the 2 resistor wires together so it fires both during cranking and run EDIT If its firing and the plugs are hot enough then the carb is most likely dog fat... could be multiple things Last edited by MR_P_BODY; 08/18/15 09:03 PM.

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