Originally Posted by
MadRod
If you dont have a good coil setup at 500bhp then you are stupid, dont blame the choice of plugs because your coil system cant cope . Iridiums of the correct grade at any horsepower & any boost.
Rod, what's a good coil system for sm4?
Im using a coil pack and have to run a 0.5-0.6mm gap or I get blow out.
Is there a good coilpack I can use or will I need to go coil on plug?