Yeah I did didn't I? Thanks! Methinks they are AZ's most recommended plug because they are AZ's most EXPENSIVE plug. Folks don't seem to realize that spark will always take the path of least resistance, so it doesn't matter if you have one electrode or 4 electrodes, the spark is only going to jump to one of em'.
For the price of one set of Bosch Platinum 4's for an 8-cylinder ($6.99 x 8 = $55.92) you're already halfway to an MSD or Mallory module with multiple discharge...............
Doc