the cams are put in at the factory, that's what happens with factory engines, The 11.7 was with just bolt ons and set up to suit, probably cheaper than what most spend on their 6's, it was also my dailey driver and drove very well you have a car that may run a high to low 12 if you know how to drive, you have a mouth that is bigger than your dyno sheet curve and your experience is smaller than.............. your answers prove your knowledge, the op should thank you for trying to contribute, but your one eye uninformed opinion is what leads many people astray