I WAS RUNNING 224 BHP ON A STANDARD 2L ZVH,CAM CHIP,HYBRID TURBO,FRONT MOUNTCOOLER,JUST REBUILT IT NOW A 2.1 WITH ACCRILITE PISTONS(BURTON POWER)FULLY BALANCED BOTTOM END,STAGE 3 HEAD,HOPING FOR 250 BHP MYSELF SO GOING THE COSSIE MANAGMENT ROUTE HOPE THIS HELPS