Difference between 4High and 4High Lock

[ChevyHighPerformance]

Originally Posted by lexunet

Thank you for the reply. What about the difference between regular 4 High and 4 High Lock? Again I have a base model w/o the locking diff.

4 High Open - provides a constant 40%/60% front/rear torque split

4 High Lock - allows a 50%/50% split front/rear for more slippery surfaces