GM 8 pin HEI Conversion pics

There have been many posts on HEI modules since TrailBeast's Aug 2012 post. He now sells an 8-pin HEI kit. Last summer, I grabbed junkyard parts and put on my 64 slant. I read about the 8-pin module on a megasquirt site (search, good info there).

TrailBeast recently related that the designer of the Rabid Gator Timing Controller dropped it after getting a good day job. Kit Carlson here is working on a custom spark controller (search posts). The only other box I know of that can control the 8-pin is a Holley Commander 950 ECU, but perhaps other after-market controllers can. Without that, you need to retain the mechanical and vacuum advance in the Mopar e-distributor. I have a Commander 950, but plan to have that just add to the distributor's advance, so I have the ability to easily run without the ECU. I also installed a knock sensor and module from a GM TBI engine, which the ECU can monitor to operate just below the knock limit. The sensor screws right into the 1/4" NPT block drain plug in SB & BB, or with a 3/8" NPT bushing in my slant.

Looks like you will need an e-core coil. Simplest is the GM "external coil" since one of your connectors goes to that, but you need the other GM connector for the supply and tach output, which you can buy separately (Summit, Autozone?). You also need a Mopar e-distributor and both "double bullet" connectors. Whey you connect the grn & yel wires to it, you have a 50% chance of getting the polarity right. One way will run very poorly, if at all.