I'll start out by saying obviously I am no cam guru it just seems like it takes an awful lot of spring pressure to control those cams, and seems to be just about on the ragged edge of what a flat tap can handle. If you really need that extra 25 or 30 horse well okay but me I rather step back a little bit in hopes of longevity. But like I said my stuff's pretty mild at about maximum 350 lb on the nose and is just Street strip stuff but if everything's right that seems to work pretty well for me.