u mean vixion block?I tought its 57mm..My fren said 24mm carb is enough..But the bigger the better rite?If u could tune it of course..Ive installed the block too,n for now i just use my rejet stock carb(p20/mj107.5)..Due to budget hehe..I think its enough..or should i go for p22.5/mj110?Any suggestion?Anyway,if i bore the carb,would it effect the jettings n tuning of it?My concern is that it would be hard to find the correct setting..
