Originally Posted by qtiger
They can rev to 9K, but they'll stop making more power before 8.5K. Generally they just taper off like so, shown here in red:
Now, CTR cams are an excellent value for money, and make very, very nice midrange power. But if it's peak numbers or high revs you're looking for, look elsewhere.
Better than a lot of cams that peak at 7k I suppose.
And you have to understand how the AFC actually functions, it's ugly man, with a program that has been massaged to coax as much power out of the motor as it can, adjusting it with an AFC is going to be dodgy...
-PHiZ