Ballast resistor-> 4 prong to 2 prong

greymouser7 said

Thank sir but the problem with GM hei is that there are a ton of Chinese distributors and no way for me to know a quality product, I searched into these-I quit when Mike Liston said that the Chinese are making indistinguishable MSD copies-to include 6AL boxes

-which one do you get?

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Let's back up here. When most of us say GM HEI we MEAN GM HEI not some distributor. Run a Mopar dist and trigger an actual GM HEI module bought from the parts stores

Now what about that box you pictured? You think it's bad? ?? As I said if that works it's a great ignition, IT IS an earlier version of Multiple Spark Discharge