the true trac acts like an open differential under normal driving conditions (unlike a locker which is locked) and when whell slippage occurs the worm gears (helical gears) lock up the differential and send power to both rear wheels

both the locker and truetrac are awsome differentials but the locker is tempermental for street use. if you can deal with it popping and lurching slightly as it disengages around sharp turns then keep the locker.

i suggest sending it back and getting the Truetrac. it is almost as strong as the licker if not as strong as it and it gives almost locker traction coupled with the smoothest street manners you can imagine. you won't be able to tell the difference between it and the stock open differential for normal driving. you will have a 2 wheel peel setup but with stock power it will have twice the traction as the stock setup and most likely grab pavement and go

 

I have it boxed up and ready to ship back. When the money is refunded Ill get the truetrac. Cant wait.