It's a fairly simple matter to install the GM HEI trigger system, pickup coil and reluctor, into a stock distributor housing, and mount the module somewhere out of sight (even under the dash) on a finned aluminum heat sink. The only giveaway that it's not an OEM ignition system is two wires going to the distributor housing instead of one. I'd suggest using the "tall cap" distributor from a 12 volt stovebolt engine, as the higher voltage developed by the high output coil can "flash over" to the distributor housing if a plug wire open circuits or falls off the plug with the shorter height cap and rotor used on the 6V engines.
Jerry
