I have Motive 4.10s . Most gears in that range are gonna whine a little. Thats where a good FM comes into play.But honestly, I can barely hear anything...
I have ford racing gears in my rear end and they work great. My application is a little bit extreme for the street because I am using a 4:10 ratio but they helps my get my Notch into the 11 second zone. Good street gears would be 3:55 to save some gas money