9mm vs 11mm pumps

[silverzx]

^^ It will make it more reliable though; lower charge temps, therefore more air in, more efficient combustion therefore burning more of the available fuel reducing coal and therefore egts... if it's done properly (ie decent clamps, beaded pipes etc.) its much much better for the engine!

I know mate, I was messing about as Ruan's been quite a prominent TMIC supporter in the past.