Any negative effects are offset by the addded traction.
Nothing works on ice.
The LSD or air locker is recommended for the front. Don't go with a Lincoln or locker in the front.
Not recommended to be in 4WD and locked in on dry pavement.
Steering in dirt, gravel and mud is great.
You'll love it. <img src="/forums/images/graemlins/lol.gif" alt="" />
Bob Shaw

87 Raizer, 4.3V6, Mod TH700R4,231CHD, detroit rear and LSD front, bouncy seats, 2" lift and 32x15 BFG MT tires.