I have been running a Detroit Locker in my 63 for years on the street. I take it to the track and race once or twice a year right now as thats all my budget will let me. Myself I love the locker as it works great for me. Sure it makes a little noise sometimes but nothing that even notice most of the time. To me its a great street/strip choice. Many guys do run a spool on the street but I drive my 63 alot and take alot of the long beltway ramps and dont want to be fighting a spool like that. If it was race only then of course I would run a spool. Ron