spark plug choice with aluminum champion heads

[kraus]

Just put a set of champion aluminum fully ported heads,looking for best spark plug choice! I use it mostly for street car,so what plugs do a lot u guys ru,? On my stock ported I always ran ac delcos with good luck. So does anybody use ac with the aluminums or what?.... Thanks in advance

 

[GSX-PKV]

I use Autolite 103's and have had no problems at all on the street or strip.

 

[kraus]

What gap you running these 103 s at

 

[GSX-PKV]

I gap them at .30