I installed Mopar's electronic ignition with an orange box in 2001 on my 383 and I pull random plugs regularily and the all still look that good even after 30,000 miles. Must have a damn good motor to start it is about to turn the odometer over any day.
------------------------------ LOOK INTO MY HOODSCOOP AND YOU WILL SEE A 440 SIX PACK WITH HOLLIES A THREE!