this is the cam i am installing in my 5.3l with 1.75:1 shaft rockers, 02 ls6 custom grind 204/218 .550/.550 112LSA, its not as hot, but with stage 2 heads, it'll be fun, i'm also working on a hydraulically driven axial super-charger, i'm calling it the In-Charger, capable of 5-12psi, boost range is controlled by a magnetic braking system, and!!! it runs off of the power steering system, hydraulics could mean zero lag.