Stage 2 & 3 Differential

Stage 2 & 3 Differential


Product Code: 700-501

Price: $1795.00

 
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Stage 2 differential - $1795

Media blast case
new seals
C6 Z06 left shaft
C6 Z06 2-piece right shaft
OEM clutch packs
HD preload springs
Performance Metal Micropolished gear of any ratio:
2.73, 2.93, 3.15, 3
.42, 3.73, 3.90, 4.10

- C5 Corvette only

Stage 3 differential - $2595

Media blast case
new seals
300M left shaft
300M 2-piece right shaft
upgraded carbon clutch packs
HD preload springs
C6 Z06 pinion support
Performance Metal Micropolished gear of any ratio:
2.73, 2.93, 3.15, 3.42, 3.73, 3.90, 4.10

A6 differential - $1995

Media blast case
new seals
C6 Z06 left shaft
C6 Z06 2-piece right shaft
OEM clutch packs
HD preload springs
Performance Metal Micropolished gear of any ratio:
2.56, 2.73, 2.93, 3.15, 3.42

 

C6 Z06 differential - $2995.00

Media blast case
new seals
300M left shaft
300M 2-piece right shaft
upgraded carbon clutch packs
HD preload springs
C6 Z06 pinion support
Performance Metal Micropolished gear of any ratio:
3.73, 3.90, 4.10

Quaife Upgrade Installed  $1895.00

The Quaife Differential powers both drive wheels under nearly all conditions, instead of just one. With an ordinary open differential, standard on most cars, a lot of precious power is wasted during wheelspin under acceleration. This happens because the open differential shifts power to the wheel with less grip (along the path of least resistance). The Quaife, however, does just the opposite. It senses which wheel has the better grip, and biases the power to that wheel. It does this smoothly and constantly, and without ever completely removing power from the other wheel.

In drag-race style, straight-line acceleration runs, this results in a close to ideal 50/50 power split to both drive wheels, resulting in essentially twice the grip of an ordinary differential (they don't call open diffs "peglegs" for nothing).

In cornering, while accelerating out of a turn, the Quaife biases power to the outside wheel, reducing inside-wheel spin. This allows the driver to begin accelerating earlier, exiting the corner at a higher speed.

The Quaife also controls loss of traction when the front wheels are on slippery surfaces such as ice and snow or mud, providing the appropriate biased traction needed to overcome these adverse conditions. The Quaife Differential provides constant and infinitely variable drive. Power is transferred automatically without the use of normal friction pads or plates seen in other limited-slip designs.

The Quaife's unique design offers maximum traction, improves handling and steering, and puts the power where it is needed most. A definite advantage whether on the track or on the street.

The Quaife is extremely strong and durable and since the Quaife is gear operated, it has no plates or clutches that can wear out and need costly replacement.

The Quaife is great for street driving or racing. Racers don't have to put up with locking mechanisms or spools that created unwanted understeer under power, or in the case of front-drive cars, even tear the steering wheel out of their hands when cornering. Because it behaves like an open differential during ordinary driving, street drivers will have trouble telling it's there until pushing the car's limits.

The Quaife has been proven in everything from SCCA Rally to Formula 1. It provides autocrossers with such an advantage, it has become "required" equipment for a winning effort.

More and more auto manufacturers are specifying the Quaife ATB Differential as original equipment in their high performance models - for good reason - it works!

 

More info on the Quaife Unit:

The Automatic Torque Biasing Helical LSD differential is Quaife's unique design, and is an after-market differential that provides smooth, constant traction for racing or slippery road conditions.

Suitable as an ideal replacement for any front, rear or four wheel drive application, this ATB Helical LSD differential has the added benefit of no adverse effect on the steering of a front wheel drive vehicle.

Quaife ATB Helical LSD differentials have been used in a wide array of applications, from Formula 1 cars to emergency and public utility vehicles, where all weather mobility is essential, and where the product must perform in the most demanding of conditions.

Available to suit a very wide range of vehicle applications, from Alfa Romeo to Volkswagen and including Ford, BMW, Honda, MG & Rover, Vauxhall/Opel, as well as a range of light commercial vehicles.

The characteristics of the differential are that it progressively locks as torque increases; there are no plates or clutches to wear out, unlike the more conventional limited-slip designs. The ATB Helical LSD differential is particularly effective in combating the effects of FWD torque steer and understeer.

Quaife Engineering also offer their ATB Helical LSD differential with a  limited lifetime warranty [see terms and conditions], as a demonstration of the quality of the product.


The Ultimate Differential - More Traction, More Speed

As engine power outputs increase ever further, the ability to use this extra performance becomes more important. Wheelspin may look spectacular, but such loss of traction from either a standing start or exiting a bend wastes time, whether driving on the road, circuit, rally stage or drag strip. Fortunately, QUAIFE's patented Automatic Torque Biasing (ATB) Helical Limited Slip Differential (LSD) is an effective, well-proven, low-cost solution.

As a direct replacement for the standard, factory-fitted ‘open' differential, QUAIFE's ATB helical LSD unit can transform the performance of any vehicle. Unlike a conventional plate-type limited slip unit, QUAIFE's ATB Helical LSD unit relies on gears rather than clutch plates for its operation.

That means it is much smoother in operation because, unlike a conventional plate-type LSD, it never locks harshly with a set pre-load of wheel slip across the driven axle. Rather, it automatically biases the torque away from the spinning wheel across the axle, to a constantly varying degree.

Sets of floating helical gear pinions mesh to provide the normal-speed differential action. In the event of wheel slip, torque bias is generated by the axial and radial thrusts of the pinions in their pockets. The resultant friction forces enable the differential to transmit a greater proportion of the torque to the appropriate wheel. The effect is progressive and at no stage does the differential lock solid, hence the inherent safety and user-friendliness of the QUAIFE ATB Helical LSD unit.

To the driver, especially of a front-wheel drive car, the results are significant performance improvements; superior, controllable traction without the harsh steering wheel snatch or torque steer that have long been associated with performance differentials.

These traction benefits can also be utilised in rear-wheel drive vehicles, while QUAIFE ATB Helical LSD units offer significant traction advantages when fitted in the front of four-wheel drive cars.

Reliability is total, making the QUAIFE ATB Helical LSD unit a true “fit and forget” solution. The ATB units are designed using the latest CAD techniques and CNC machined to ultra-tight tolerances from high quality Corus steel billets. The completed units are then subjected to rigorous in-house inspection with 3D coordinate measuring machines before being dispatched to the customer.

Such quality means that, unlike a conventional plate-type LSD, the QUAIFE ATB Helical LSD unit requires no special maintenance or rebuilds, is long-lasting, and retains the standard method of lubrication, making for an easy, pain-free upgrade.

Proven in rallying, racing and on the road, the QUAIFE ATB Helical LSD differential offers safe, reliable, winning performance - everything you would expect from a QUAIFE product

 
  • Corvette
  • Camaro
  • Firebird
  • Smart
  • Cadillac
  • V-Rod
  • Hummer
  • Mercedes Benz
 
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