What seems like a big cam in one engine is not really big in another, my 410 SB in my dakota seems pretty big to me at 221@.050 .575 lift, has nice rumble at idle, then on the other hand I have a similar cam in a 5.7 hemi and the engine barely quivers at idle and you would never guess it had a cam that size in it, the thing idles almost like stock. It don't make any sense to me as the 410 has more compression, more cubes, a lot more velocity in the ports... it runs incredible but the cam is much more noticable in there.