Well I went throuhg all the old posts on Dial-A-Jets and found not too much. I was wondering if anyone has recently tried one, or those who have it how do you like it. I just added a set to my sled, so if anybody has one on a TM Rack slide that is even better I have a couple questions about how you ran the fuel lines. I dropped down 2 sizes, from 420's to 400's. I figure I can lower it again if I need to as I have a set of 390's as well.