273 commando HELP!!!

I just went through a 273 for my kid's 74 Duster and I picked the Comp Cams 270S Magnum, P/N 20-264-4. The specs on this one is 270 advertised ( 224 @ .050 ) and .468 lift. It's a single pattern profile. We just got the car fired and I'm still working all the bugs out of this Slant Six swap, but the idle had a nice mild lope, not lumpy like I expected and vacuum was around 11". I still need to fine tune it and get 'er on the road, but I'm not ready yet (bracket problems) I'll let ya know how this guy runs. I had a hard time finding mild solid cams, but this one was recommended on a 273 site I checked out.