HEI in Mopar ECU casing

I've been emptying a couple of Mopar ECU cases lately aswell, but my 'torching-skills' had deformed / melted the plastic pins of the plug, so I had to forget about that conversion for awhile.

Instead I mounted a module on a computer CPU cooling block.
But I never was able to get the engine actually running with this module. Probably a bad one.
I borrowed another module from a friend and the engine fired up instantly, but did that only once. 2nd time starting it didn't even give a kick anymore.

After fumbling around for awhile with these modules I simply gave up for the time being and switched back to the chrome ECU.