1) Did turbo cars have a different (hotter) coil? 2) I've got a set of original plug wires off of a low-mile CDN '64. It's a full set including the coil wire and they're all date coded 4-Q-63. Usually with other ancillaries, the letter corresponds to the month of production, minus I , so M should be the 12th month. What does that make Q? yea, Vairily ... Shaun