I have a 1996 2212 Cuddy Cabin Starcraft with a 5.7 Ltr. 250 Hp MerCruiser engine <br />SR# 0F787333. I want to replace the spark plugs and I have 3 questions.<br /><br />1. Should I use Champion or Ngk plugs?<br />2. What is the proper gap?<br />3. What is the proper torque?<br /><br />If...
