What cam should I get?

Yeah they make vacuum pumps, Summit racing has one but it $250 or higher I think. No vacuum advance, you get all sorts of opions. On the dodgecharger dot com site theres a big thread about it, some say that it just causes problems like spark knock and its just for smog motors, others swear by it. I have never use synthetic oil but again others swear by it. What I am going to do from now on is put 1 bottle of cam break in addivtive that Comps sells at each oil change. That has zinc and other good stuff thats no longer in the motor oil. Some like GM EOS stuff but I am not sure if that still has zinc in it cause its for newer cars and where its sold at. Comp claims you only need it for break in but they like you to keep buying new cams every few years. I don't know if 20w-50 is better then 10w-40 but thats all I use even the few weeks in the winter that I use it.