A buddy of mine has a pro street 69 Camaro with a high HP smallblock and a Doug Nash 5 speed. He has a Detroit locker in the Ford 9" in the rear. When I heard it was a Detroit locker I got all over him for driving it on the street, thinking it was for drag only. A detroit locker is not like a spool. He proved to me that it is perfectly streetable.
Here is a link on them