Originally Posted By elmor353
I have the 6401 in the 440 that's in my pickup. It turns on fine, but I would like something with a smoother idle. I've had people tell me the idle is barely noticeable,but it's pretty noticeable in this engine.


So you're saying the 6401 idles too rough for you? That cam is only 224/234 @050 and on a wide 114 LSA. If you want something smoother you're going to have to step down below 220 @ 050 on the intake side to something like a stock replacement 440 HP cam.