Lockrite

A detroit is a different brand of lokker to Lockrite - both are auto lockers but different brands and a bit different in their operation.

A detroit is far superior.

As Neil said - a auto Locker like the detroit or Lockrite cannot be fitted to the front of a constant 4wd as you cannot steer. Same as when a part time locker is activated in the front of a 4wd.

Hi people ,
Had a auto locker in a 80 series a few yrs ago and loved it in the front but took a bit of getting used to throttling off when i wanted to turn
Cheers

The Autolockers (or Unlockers) only unlock when there is little to no power to them. As soon as u apply the power via the accellerator, then they become locked. There is a "sweet spot" where they will unlock, but this is when u apply only a little amount of accellerator. I've got Front and Rear Autolockers in my Vitara that is modded for mainly offroading and they work a treat, but when driving around town in tight spots, they can become a PITA in the way the car jerks around a bit. This may not happen on the bigger/heavier vehicles but it is what I found with my Zook
On a recent trip down to Sundown NP, I ended up breaking an axle in the rear of my zook. I put this down to a couple of things:
1 It gets a hard life off road where I take it
2. I believe that driving around on the blacktop all the time with the Autolockers locking the rear also has stressed the rear axles, especially when running larger tyres.

After this experience, I've left the front AL in and have removed the rear and replaced it with an Airlocker, mainly to regain driviability back and because I got it for the right $$

Just to clarify, (from my experience) if anybody is having problems with one of these - or if the Lokka is not unlocking correctly under power. (ie if it is not unlocking when one wheel needs to cover a greater distance than the other as when turning a corner even on soft slippery surfaces)
It is likely that the inter cam spacings and/or the spring tensions are incorrect. This is usually avoided during installation by referring to the instructions to ensure that the spacers on the cross shaft are made to maintain a "specific" and "symmetrical" gap between the cam gears.
To Test - If you jack vehicle up (keeping 1 wheel fixed the other free to be tested) the Lokka should be able to be unlocked by turning either wheel by hand forwards and backwards with the same force on each wheel, this check will ensure that it it correctly installed and will unlock under power without excessive understeering irrespective of the size and weight of the vehicle. Bear in mind that the steering will feel heavier while the hubs are in which would make it tricky for lighter full time 4WD vehicles. (I suspect the heaviness may be reduced by paying close attention to the installation instructions).
Again best to ring 4wd systems and ask for a copy of the fitting instructions for your specific vehicle.