if you are going to do a cam then you need to figure out the direction in which you are going. if you are goiing to go to an F/I motor then the cam selection will be different. on a F/I cam you want to keep a higher lsa and a lower duration. if you are going to stay with a N/A app then you want a lower lsa to create a ventury effect. as for the stall. that will also play a role in it/