What coils should I use? Matt May 23, 2018 16:03 Follow The stock coils will work fine. To optimize the spark output to its full potential, use Dynatek performance coils. Please Call our technical support department at 800 928-3962 or email us at email@example.com for the correct application. Related articles Why does Dynatek recommend 5 ohm coils for street use and 3 ohm coils for racing? Contact US What spark plugs gap should I use? Does the Power Commander V have built in Ignition control? Comments 0 comments Please sign in to leave a comment.