Its great to open the hood of your car and see nothing but the motor staring back at you. Move up a few generations on any vehicle, though, and youve got miles of wiring snaking through every nook and ...

The GM HEI (High Energy Ignition) electronic distributors have a reputation for hassle-free performance. Used in GM rigs from its inception in 1974, the famed HEI can be retrofitted to almost any GM ...