the Pertronix, as stated on their website, uses a Hall Effect trigger, it's a 'mechanical transducer', not an 'electronic switch', the HEI module is entirely electronic
"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir "When we tug a single thing on an old truck, we find it falls off" ~ me Some TF series details & TF heater pics
