For a 69 factory dual point prestolite ignition what is the correct ohm valve for the ballast resistor and primary ignition coil resistance.
Ballast Resistor Ohm Valve
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Vaanth
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The Chrysler ignition ballast resistor used in 1969 for the Prestolite dual point and Chrysler single point systems, part number 2095501, measures 0.5 - 0.6 ohms at 70-80 degrees Fahrenheit.
The Chrysler 1969 production coil, for the Prestolite and dual point and Chrysler single point systems, primary resistance at 70-80 degrees Fahrenheit measures 1.6 - 1.79 ohms for the Prestolite 2444242 type coil and 1.34 - 1.55 ohms for the Essex/Echlin 2444241 type coil. Both coil types were provided by the two manufacturers under part number 2495531.
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For my 1970 GTX RS23V0A******, I use a factory Prestolite dual point distributor, and a standard Essex coil and standard 0.5 ohm ballast. There were 2 separate coils listed in the FSM, both had similar primary resistance. The distributor was recurved to my specs. Without vacuum advance for a total of 35 degrees @ 2600 RPM.
BOB RENTON
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