Hey so how did you adjust your TPS? I tryed the way on 4crawl and i couldnt get the same readings he was getting on the volt meter....so i just put it where it ran decent but i know its not right because i get a idle loap at like 2800 rpm. And that round filter deal is called a Dashpot....i just took mine off because it was making my idle stick. Still runs fine but something is giving me a weak idle.