Want a Nasty sounding cam for 4.8.

[D_reks5.3]

Sorry but ima have to call BS, unless u have the dyno sheet to post up..

Same thing I was going to say, I have NEVER seen a cammed only 5.3 putting down anymore than 350-360rwhp. And thats on the high side. Going to have to pull the BS card until I see a graph or video.. HEADS and CAM 5.3s usually put down 375-400rwhp