Mine get pretty rattly in the higher RPMs too but it is probably normal...not for shure tho.
i have never heard of line boring for the stage 2. :shrug:Royman660 said:sorry bout the lifter/valve thing :lol: ............ I just got done taking the rocker box off and found the cam and jernials shot......... do you have to line bore that to put a stage 2 hotcam in????