[Poochie]

Originally Posted by Proctor750

Assuming you drive a manual trans with all nannies off - what difference would the GTS diff coding make? Does it change the lockup ratio with different criteria?
Could you theoretically code the diff to a static lockup if desired as well (or have it tied to a settings knob/potentiometer)?

Well, the lockup for the Drexler diff is 30% on acceleration and 9% on deceleration, without input from the vehicle's logic. It's sort of a "dumb" diff, if that makes sense.

The Active M Differential is capable of 100% lockup but it's controlled by the vehicle's computer and allotted by need only, which can sometimes be jarring in racing situations, as the ECU seeks the best lock-up, for the street.

What you gain by a Drexler non-active diff is predictability and also it doesn't generate as much heat as the Active M Diff, which is better fitting for continuous, high-endurance racing situations.

Since the Active M diff works in tandem with the DSC, decoding it would send the system in a fail-safe, limp mode.