Style chooser

dear all sifus,

Just wana ask for opinion. Currently using Mivec 4G93, PnP, racing clutch, adjustable cam pully, light weight crank pully, adjustable fuel regulator,Simota open pod, original mivec piston, 390cc injector with Emanage inside.

Done dyno few weeks ago, but some how i still not statisfied and confident to rev my engine. As the tuner said my engine compression is too high (around 14 compression ratio) that cause the knocking noise. At certain rpm my engine will creates...