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How 3J Plate Limited Slip Differentials Work

Thanks to 3J we can have a deeper look into how their limited slip differentials work. Continue to read on to find out what Pre-Load, Ramp Angles, 1-Way vs 1.5-Way vs 2-Way all mean and how they affect the inner workings & the handling characteristics of your car

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Fast Road - 50/90 Ramps 25-35 lbs/ft Pre-load

Occasional Trackday - 40/90 Ramps 25-35 lbs/ft Pre-load

Regular Trackday - 40/90 Ramps 35-40 lbs/ft Pre-load

Long Circuit Race - 40/90 or 30/90 Ramps 65-75 lbs/ft Pre-load

Short Oval Race - 40/90 Ramps 50-55 lbs/ft Pre-load

Sprint/Hillclimb - 40/90 Ramps 60-65 lbs/ft Pre-load

Rally - 30/90 Ramps 65-80 lbs/ft Pre-load

Drift - 45/45 Ramps 40-50 lbs/ft Pre-load

The very nature of a plate type differential means that it will produce some noise. More often than not, this noise will be more prominent when the unit is first installed, but will drop-off with use

Our best advice is install the unit with a good LSD oil, then straight away put it to work. If you have the space carry out some figure of 8's and lots of tight turns with as much throttle-load as you can. Your LSD will quickly 'settle in' and work at its best. It's best practice, and our recommendation, to replace the oil with fresh after around 30 miles of driving

It does depend on the type of use it is getting. Units that see road and track day use can go for years and years, and still outperform other LSD types. The rule of thumb is if you feel like the performance has dropped, get it serviced. Very generally, if the unit gets a heavy amount of motorsport use, it is good practice to service the unit at the start of every season

Explore the pinnacle of performance with 3J Driveline's renowned plate-type limited slip differentials, now proudly integrated into the NXG Performance brand. Representing the epitome of strength, progressiveness, and versatility, the NXG Performance LSD is meticulously tailored to suit an expanding array of popular vehicles. Featuring a robust EN24T end plate, the NXG unit encapsulates 3J Driveline's proprietary plate pack design, boasting 8 active surfaces even in its lightest setup. This configuration ensures maximum surface contact during operation. The bevel and planet gear pack, a testament to 3J Driveline's transmission expertise, offers an exceptionally smooth mesh with the largest and strongest tooth profile, eliminating unwanted rattle and excessive backlash often associated with other plate-type differentials. Upgrade to NXG Performance for a differential that redefines strength, precision, and driving dynamics.