distributor

i think the original question has been answered, but i have to wonder why more people, on stock slants, don't run the Mopar electronic setup instead on the HEI G M setup?i see so many on here going to all the trouble with that, .... i realize the HEI puts out more spark, but is it needed on stock motor? and some years ( don't remember whicH) the Mopar electronic distributor had inherient problems inc spark shatter? i like keeping the old car as much stock as i can without being " a purist extemist!"... LOL