I like detroit lockers. I've had one in my Mustang II for about 15 years, and the characteristics of the ratching locker grow on you. In hot weather, when I make a tight turn from a stop, the tires squeal intermittently, which can present an awkward moment if there happens to be a cop sitting at the intersection. (it's happened!) "But officer.. it's a DETROIT LOCKER" hah
Aligning the car was interesting. It was at a shop where my buddy worked, and he, his boss, and myself, were all trying to turn the wheel that was jacked up, while the other tire was still on the ground, so the alignment machine could be leveled. We twisted on that thing HARD and it finally broke loose.
It makes various clicking and clunking noises, but the weirdest thing is that you can feel the carrier locking and unlocking in the middle of high speed turns, and it affects the attitude of the car slightly.
These issues are probably due to the fact that the Mustang II only weighs 2450 lbs, I'm not sure if you'd notice as much in a truck twice that weight. Even if you did, the strength and consistent grab of the detroit unit is worth it as far as I'm concerned.