lsd front diff patrol?

[GQPATR0L]

a guy told me that some patrols come out with a front lsd i think in the st ive never heard anything this true or?

[DamTriton]

IIRC you can fit the rear Navara LSD (31 spline H233) up front. Rear diff is 33 spine.

[-Scott-]

a guy told me that some patrols come out with a front lsd i think in the st ive never heard anything this true or?

No. I believe ADRs prohibit front LSDs, due to their ability to compromise steering.

Doesn't stop people doing it.

[beast of a GQ]

But does it even effect your steering with hubs out. So what does it matter to adr. Correct me if im wrong,

If im wrong please explain so i can learn how it effects it while been in 2 wheel drive.

[bakerboy]

seeing as its a 4wd wouldnt it have to be compliant whilst in 4wd as well?

[bogged]

its been discussed a yiilion times.. search nissan section bout why they are bad idea

[Slunnie]

a guy told me that some patrols come out with a front lsd i think in the st ive never heard anything this true or?

No. I believe ADRs prohibit front LSDs, due to their ability to compromise steering.

Doesn't stop people doing it.

Plenty of FWD cars came with LSD's.

[-Scott-]

a guy told me that some patrols come out with a front lsd i think in the st ive never heard anything this true or?

No. I believe ADRs prohibit front LSDs, due to their ability to compromise steering.

Doesn't stop people doing it.

Plenty of FWD cars came with LSD's.

Clutch or viscous?

Either way, my asnwer was primarily intended to say that I don't believe Patrols ever came from the factory with a front LSD.

[Slunnie]

Hmmm, I thought that you said the ADR's prohibit front LSD's.

This is from SAE

Speed-sensing Limited-Slip Differentials (LSD) such as Viscous Couplings (VC) are becoming major players in Front-Wheel Drive (FWD) applications. Traction Control Systems (TCS) which control the wheel slip by influencing the engine torque output and/or actuating the brakes are also introduced to the FWD market in growing numbers. A few applications for torque-sensing LSD's have recently entered the market. All of these devices are known mainly for their traction improvements. However, all systems have demonstrated that they also positively influence handling and stability even under normal driving conditions.

This paper presents a series of proving ground tests which investigate the effects of speed-sensing and torque-sensing LSD's as well as TCS on traction, vehicle stability, handling and torque-steer. Factors affecting torque-steer are described and key vehicle design parameters are identified which greatly influence both the application and compatibility of LSD with FWD.

Test results show the differences of these devices concerning their traction improvement capability and their influences on acceleration, throttle-off maneuvers, braking and self-steering behavior during cornering. The paper also reports results concerning the compatibility of these LSD's with Antilock Braking Systems (ABS). It is also shown how LSD and TCS complement each other when combined in a vehicle

[-Scott-]

Hmmm, I thought that you said the ADR's prohibit front LSD's.

This is from SAE

Speed-sensing Limited-Slip Differentials (LSD) such as Viscous Couplings (VC) are becoming major players in Front-Wheel Drive (FWD) applications. Traction Control Systems (TCS) which control the wheel slip by influencing the engine torque output and/or actuating the brakes are also introduced to the FWD market in growing numbers. A few applications for torque-sensing LSD's have recently entered the market. All of these devices are known mainly for their traction improvements. However, all systems have demonstrated that they also positively influence handling and stability even under normal driving conditions.

This paper presents a series of proving ground tests which investigate the effects of speed-sensing and torque-sensing LSD's as well as TCS on traction, vehicle stability, handling and torque-steer. Factors affecting torque-steer are described and key vehicle design parameters are identified which greatly influence both the application and compatibility of LSD with FWD.

Test results show the differences of these devices concerning their traction improvement capability and their influences on acceleration, throttle-off maneuvers, braking and self-steering behavior during cornering. The paper also reports results concerning the compatibility of these LSD's with Antilock Braking Systems (ABS). It is also shown how LSD and TCS complement each other when combined in a vehicle

You are correct. I was wrong, through not being specific enough.

I believe ramp-loading clutch type LSDs are not approved for steering axles, due to their ability to change the amount of slip as torque changes.

NISMO - Front LSD - Primera/Pulsar/NX Coupe (1.5 WAY)
Location: >Drivetrain>Differentials>NISMO - Front LSD - Primera/Pulsar/NX Coupe (1.5 WAY)

Product Information

This Nismo Clutch Type LSD will replace your factory differential with a 1.5 way clutch type.

A must have for every racer.

Benefits
* More grip to leave your competition for dead
* Increased stability
* Locking effect caused by engine braking is decreased

Application List
* Nissan NX Coupe/Sentra (B13)
* Nissan Pulsar (N14, N15)
* Nissan Primera (P10, P11)
RS5F32A transaxle only

Race use only and is not certified for use on highways and public roads.

http://www.streettuned.com.au/index.php ... ductId=470

Why would a product like this be "not certified for use on highways and public roads"?

[Slunnie]

Good question. It says clutch but it doesn't sound like a clutch LSD. This line makes me think that its very stiff race unit though and probably very untidy for road use.

* Locking effect caused by engine braking is decreased

[sudso]

a guy told me that some patrols come out with a front lsd i think in the st ive never heard anything this true or?

No. I believe ADRs prohibit front LSDs, due to their ability to compromise steering.

In a full time 4wd it would.

[DR Frankenstine]

In short NO nissan never released a 4x4 with a lsd in the front.

[PGS 4WD]

a guy told me that some patrols come out with a front lsd i think in the st ive never heard anything this true or?

No. I believe ADRs prohibit front LSDs, due to their ability to compromise steering.

Doesn't stop people doing it.

I doubt this due to the number of front wheel drives that have LSD and have for years. The biggest problem is the smaller Navara clutch plates break. Have seen two break within 2 years of fitting.

Joel