camshaft

Hi, Came across this video on Youtube. Car sounds mean as hell. And it's not just this car, I've watched other videos with the same cam. Same sound, basically. Mean as hell. Is there alternatives for a 455? I think the guy has this cam: 440 WHIPLASH HYD FLT TAP CAM 107º LSA +5 :: HUG SMC3245BL...

OK so im putting my 455 back together got my new bad dog grooved cam bearings installed, my question would be break in. ie changed to a solid lifter cam my first on. On my last two cam break ins I made sure the car was ready to go gs113 and a gs105a i think. you know the one that said it pulls...