petronix ignitor anyone use it on a 6 cyl positive ground

[gregchrysler]

Hello anybody put in a petronix ignitor on a Chrysler 6 cylinder 251 --did u add a power coil? Do u get rid of the resistor?

thanks for the help ---49 Chrysler royal

[Rusty_OToole]

Does Pertronix make a positive ground unit? I don't know anyone who has changed an old Chrysler flathead, the stock system works well if you clean and adjust the points every 10,000 miles.

[Owen_Dyneto]

Yes, for certain Pertronix sells 6-volt positive ground units. I have several friends who installed them on Packards and subsequently suffered a commonly reported problem, removed them and went back to points/condenser system. The major issue that's reported regularly is that the draw of current for the starter motor, if not in excellent condition along with a healthy engine in a good state of tune, drops the available voltage below the minimum triggering voltage of the Pertronix. I too have a 6-volt positive ground car and have stuck with the OEM ignition system, more reliable and easy to maintain.