New Best on Friday Night!

These are Autolite 5224 I believe. Do you think that is too hot of plug for my combo? I think I'm going to buy a new set of plugs and back the timing down a couple of degrees. I live on a lonely stretch of road. Maybe with the new plugs I could WOT through first and second on my road and kill it and coast into the driveway.

Thanks FABO for the help so far!