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Any ballast resistor is only necessary for a non-12v coil, IMO. I've ran a 12v coil with any mopar ignition box without a resistor for years. Had a shitty msd coil leak on me once but other than that, it'll handle it. Dammit I hate msd. What an overpriced, trash ignition system.

In that case, mount the HEI unit to the fender. This is a much better location because as with all electronics, it is sensetive to heat. This is a primary reason why mopar lean burn malfunctioned so quickly. They mounted the electronics to the air cleaner. You are also able to purchase a heat...

Barbee, there isn't many mods to do to a mopar distributor depending on what you're already working with. Most mods are very simple. Let us know in another thread what you're working on and what your goals are and what exactly what you have and want to do.

Barbee, there isn't many mods to do to a mopar distributor depending on what you're already working with. Most mods are very simple. Let us know in another thread what you're working on and what your goals are and what exactly what you have and want to do.

The ignition module that sits on top simply unscrews and you splice it into your distributor pickup, ignition 12+, coil + and a ground. Done. You could stuff 20 in the glove box. They're cheap and easy. The gm distributor it's attached to is the only gm specific part. The ignition module doesn't...

IMO, msd is obsolete. You have to buy a dumb timing light and a timing retard controller is expensive and ugly. Have to dick around with timing tape. And apparently there's a load of counterfeit units so that's sketchy. It's only good for a hot, capacitive discharge spark til 3000 rpm or so...

HEI isn't limited to just being a distributor. It's also a box that's half the size of your phone. Wire it to the coil and the distributor you already have. Why would I tell you to bolt a distributor to a fender?

If that's the case then maybe the dealership is an option, or the junkyard. Grab 2 or 6. I've ran them for years.

I've always had luck with GM HEI. Cheap and only 4 pins w/ ground. Most important thing is to use a quality 12v coil and to bolt a heat sink with transfer compound to the unit, or bolt it to the fender away from headers. HEI is cheap and compact, and if you're interested, the 5 pin unit has a...