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100K in the block is real attractive if you have to cut holes in the fender wells/firewalls to get the plugs out. I rather like the new placement of plugs with the DOHC engines, straight down from the top with an extension is better than leaving half your knuckle on the frame or exhaust manifold.
If you want good plugs just get Motorcraft or Autolite spark plugs.
I think that since E3 is a sponsor they rigged the results to show that it is better.
I agree all of those types of plugs are useless. The current will take the path of least resistance anyway. So if it has 2 3 or 4 tabs it doesn't matter.