My 60310 is plenty of cam for my 455. It is surprisingly "rev happy" and the engine has no problem turning up to 6200 RPM and pulls there but probably not worth going too much over 5800. I have a lot of gear and a pretty light reciprocating assy though. I agree with SC in that I bought this cam for a 400 but played with it on desktop dyno and figured it would work just as well for a 455 and it does. I never have ran a comp cam so I have nothing to compare it to but my 60310 does everything I need it to do in my car.
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71 Formula 433, Splayed cap 400 block, 4" stroke Scat forged crank, 6.8 Eagle rods, custom Autotec pistons. SD 295 KRE D ports, Old faithful hybrid roller, Torker II, Holley Sniper Stealth, Tribal Tubes, TKO 600, 3.73 Eaton posi.
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