05-06-2020, 08:43 PM
Hi Flywheel1935
There was a good reason Marconi used sparks in his early radio transmitters - they are excellent at producing radio frequencies. Your plug leads act as little aerials, which radiate the signal out to any radio or TV receivers unfortunate enough to be nearby.
Suppressed plug caps and/or suppressed plug leads considerably reduce the radio frequency current flow, whilst having little effect on the wanted spark currents.
So there is nothing "acting up" or working improperly, it's just how unsuppressed ignition systems are. Changing to an electronic distributor won't alter this aspect. You either need to update your car's HT system to postwar standards or drive fast enough that irate TV viewers can't catch you !
There was a good reason Marconi used sparks in his early radio transmitters - they are excellent at producing radio frequencies. Your plug leads act as little aerials, which radiate the signal out to any radio or TV receivers unfortunate enough to be nearby.
Suppressed plug caps and/or suppressed plug leads considerably reduce the radio frequency current flow, whilst having little effect on the wanted spark currents.
So there is nothing "acting up" or working improperly, it's just how unsuppressed ignition systems are. Changing to an electronic distributor won't alter this aspect. You either need to update your car's HT system to postwar standards or drive fast enough that irate TV viewers can't catch you !