Is a limited slip differential better than open?
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If the other wheel spins in the opposite direction, you have an open differential. If it spins in the same direction, you have a limited slip differential, or LSD. When working properly, an open differential is the best riding, most comfortable option for everyday driving.
What is a VLSD?
VLSD stands for Viscous Limited Slip Differential. In case you’re still none the wiser, a VLSD links the two wheels (in the case of the 350Z) using two sets of plates encased in fluid, all together in one sealed housing unit.

Can you drift a 350z VLSD?
Basically, after you’ve been running your vlsd hard for a while, the diff fluid gets too thin for it to lock up, and it makes it feel like you’re running an open diff. drifting with a 1.5 is do-able, but you’ll want the constant lock when decel (when your foot is off the gas).
How does a VLSD work?
Viscous LSDs Speed sensing works by slowing the wheel that has started spinning, and diverting torque to the wheel that still has grip. Viscous LSD’s work in a very similar way to an open differential, with the difference being a clutch pack attached to one of the drive shafts.
Does G37 have limited-slip differential?
CFRP, it’s a viscous limited-slip differential on the G35 / G37 sedans and coupes.. You’re right. The VLSD is added to all G37 sedans and coupes as part of the Sport Package (RWD only) and is standard on the G37S MT.

What are the pros and cons of a VLSD?
VLSD are fairly simple as far as operation, however they have some drawbacks in comparison to other forms of LSDs. Allows for different wheel speeds on an axle, thus reducing tyre wear versus a locked differential (the same applies for all forms of LSD, but this style is particularly good for it).
What do the Arrow and circle mean on a VLSD?
Arrows indicate two different diameters of splines unique to the VLSD. Arrow points to spider gear shaft on this open 1.6 liter differential. On the right side of the picture, circle indicates broken bearing cap. Refer to image below. Separation forces broke bearing cap, allowing pinion gear to ride out of ring and break teeth.
What is the difference between a speed differential and a VLSD?
These differentials begin to send more torque to the slower-rotating wheel the instant there is a speed differential between them. Essentially, it reacts far quicker than a VLSD. These are purely mechanical systems, with no routine maintenance required as the differential action is dependent upon friction throughout the gears.
What is a VLSD and why is it lame?
In any case, the VLSD has 3 phases. First is initial viscous dissipation where the oil heats and viscosity drops. The VLSD transmits less torque. This is the operation you can measure with a torque wrench as outlined in the Shop Manual and gives rise to the idea that the VLSD is lame.