They work fine, but don't handle modifications well. The computer assumes certain specs will always be the same, and if you deviate, it will not compensate. If you change the stock cam, you probably won't be happy.
+ infinity hahahaha had the system in a ramcharger all stock ran absolutely flawless. decided to rebuild a motor for it better cam, headers :vom: bad idea.stock they are great but def. don't compensate well !!!!!!
