Hi All,

My 2009 BPC 174 engine is running like a train, seems it's sorted after the saga I've had getting there. See my pinned info thread if you are looking for engine specific info, or want to see the agony of repairing this unit from a zero knowledge base.

My 6 speed...

I was just reading a quote from an NGK FAQ where the advice was that in forced induction engines, you should reduce your plug gap by 0.1016mm for every additional 50HP you have added above stock.

The 1.8T comes with a recommendation for 28 thou (0.7112mm) gaps. Using my car as an example...