Rev-N-Nator vs. FBO HRR688 ignitions

bee1971 said

And you where comparing this Dyno Run / Rev N Nator ECU to what ignition box prior ?

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Previously had a MoPar Orange box ECU. I had also tried out using an MSD 6AL....but I didn't like the unit, and it didn't fit with my restoration, so I got rid of it.