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810/775 for me,with 1.7 rockers,that translates into 476/455 actual lobe lift.but I know there are others running higher actual lobe lift,i have no idea what the max limit is,or the amount of twist and flex,i guess some of that would be determined by cam core quality and hardness.i am sure some cam companys test this and require at least a specific core hardness,also as lift increases,so should the base circle,but I am sure theres a point of no return here,without the proper supporting equipment for extreme lifts,head flow,cubic inches,geometry,etc,you will just be wizzing in the wind,matched combination makes power.in my years I have seen way too many over cammed combinations,killing power and torque,i believe the largest cam listed in the bullet catalogue is 510 lobe lift,thats 867 w/1.7 rockers........I would like to know the outcome of this myself..........

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