what is the issue with the Mopar triggered HEI? They seen durable enough.
Mostly the source of the system, and the fact that the trigger assembly and pickup are getting extremely scarce. The MOPAR six that used that electronic trigger was only in production for a very limited time, and finding parts if they're ever needed will be almost impossible. There's also a few proprietary parts used in the conversion that might be impossible to obtain from the local FLAPS if they're ever needed. There were literally millions of the GM bits and pieces manufactured, both OEM and replacement parts. They're dirt cheap on Ebay.
Jerry