Cams, or camshaft, and effect on performance

Wild or "race" cams are just not suitable for a road car. They do not allow you to drive smoothly in say 4th gear in town because they make your engine run "lumpy" at low revs! And you will have an uneven idle like a bike engine. They "CAN" give some performance benefit at higher revs though, but only if the rest of your engine and induction system and exhaust are also modified to take