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Old Mar 20, 2007 | 09:28 AM
  #41  
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Originally Posted by helldorado
This is the logic behind why people say the Quaife is not a good option for track use.

When you tripod the vehicle and manage to raise one of the rear tires off the ground, the Quaife will react similar to an open differential and send the power to the wheel that is off the ground. Because of its torque biasing nature, both wheels need a certain bit of resistance. If one wheel has 0 resistance, such as in the air or on ice, it can't bias torque to the other axle shaft.

Also, a Quaife will react similar to a 1 way or open differential when you start to get wheel spin or kick out the back end. As soon as you let off the gas, it stops biasing torque. Where as a 1.5 or 2 way diff will remain locked. If you're losing your rear end, letting off the gas with the Quaife will help you to control it. With a 1.5 way diff, that's not the case.

So as said before, depending on your driving style, one might suit you better than the other. Unless you have a lot of RWD track experience and have been trained to recover a vehicle that is on the verge of losing adhesion, the Quaife is a much safer alternative for the average driver in recovering from a bad situation.
And just how often does the 305Z tripod? Not often, if at all.
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Old Mar 21, 2007 | 09:42 PM
  #42  
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lets hear some more people chime in about track use with the quaife, even if its just drag strip track time.
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Old Jul 4, 2012 | 05:35 PM
  #43  
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Originally Posted by helldorado
This is the logic behind why people say the Quaife is not a good option for track use.

When you tripod the vehicle and manage to raise one of the rear tires off the ground, the Quaife will react similar to an open differential and send the power to the wheel that is off the ground. Because of its torque biasing nature, both wheels need a certain bit of resistance. If one wheel has 0 resistance, such as in the air or on ice, it can't bias torque to the other axle shaft.

Also, a Quaife will react similar to a 1 way or open differential when you start to get wheel spin or kick out the back end. As soon as you let off the gas, it stops biasing torque. Where as a 1.5 or 2 way diff will remain locked. If you're losing your rear end, letting off the gas with the Quaife will help you to control it. With a 1.5 way diff, that's not the case.

So as said before, depending on your driving style, one might suit you better than the other. Unless you have a lot of RWD track experience and have been trained to recover a vehicle that is on the verge of losing adhesion, the Quaife is a much safer alternative for the average driver in recovering from a bad situation.

Excellent and valuable information
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Old Jul 4, 2012 | 10:53 PM
  #44  
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Buy my quaife..for $999.99 so I can get a 2 way. I like it a lot but I just want something more aggressive. For the street it's perfect. Quiet and smooth. Very predicatable. I think it's pretty much bullet proof being gear type.

Last edited by zach711f; Jul 4, 2012 at 10:57 PM.
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Old Jul 31, 2012 | 07:12 AM
  #45  
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Anyone have experience with Cusco's 1.5s?
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Old Jul 31, 2012 | 10:36 AM
  #46  
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Im about to put a Quaife in, and am wondering if heat will be an issue for 20 - 30 minute sessions? I know diff coolers are pretty expensive.... any cheaper alternatives?
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Old Sep 16, 2012 | 09:42 PM
  #47  
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Originally Posted by Z1 Performance
It's not that it performs poorly at the track, it just is not quite as "trackable" when compared to the Cusco, ATS and other clutch type units. One thing to keep in mind is everyone has a very different definition of track. An HPDE event, IMHO, is not the same as a competitive track day - and as such, the setups can, and should be very different.

Yes, the Quiafe is a vast improvement vs the stock viscous unit, whishc is not suitable for any higher performance use at all, as it simply overheats and becomes useless.
I didnt want to start a new thread, and I've found z1 mentioning about ATS and Cusco. I was wondering how do they compare in 1.5 configurations. I'm debating the two for my 03' MT.

Thanks everyone in advance.

Cheers
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