How I feel eh?....... one word! SYOOOKKKKKK wooooo!!!calvin, actually change to 92 block power sure increase one..same like bore blok91 using 81mm piston..cc add 100..compression also higher..hp also increase..mebi ur setting got abit kantoi that time..just ask ayell how he feel when change to bigger piston..but make sure fuel pressure frm fuel pump or fuel regulator can support ler..hehehe