Chervolet LS turbo

 

Spark plug for "ls" turbo 

  Application N/A / Forced induction Spark plug Recommended gap in MM.
 Stock or mildly modified all motor  NGK-TR5      1,01
 Stock  or mildly modified all motor  NGK-TR55  0,89-1,14
 Low boost  less than 14psi or small nitrous 150 shot  NGK-TR6  0,63-0,76
 High boost 18-26lbs big nitrous 250 shot  NGK-BR7EF      0,5-0,6