Anyone have an idea of what gap i should be running with HKS iridium (spelling) plugs? The car is stage 3 24 pSI peak holding 21 ish.

I have a missfire at the mo under full load and im thinking perhaps the gap is to big and its getting blown out??

Cheers chaps

 

0.65 mm m8.

 

Great thanks!! will check that tomorrow

 

You won't FEEL a mis as such, but hit a massive flat spot, still be nice and smooth, if it the spark getting blown out.
Mine are gapped at 0.85mm, with a group a coil, magnecore leads, and using IK31 plugs, if that is any help, on similar boost.
tabetha