GR Yaris Clutches

Both of the clutches I’ve had were fine for road use - a bit noisy maybe, but a decent size biting point you could easily feel.

Interesting to hear about teeth on 2nd, not something I’ve heard about before.
 
I've been made aware of a company called Uniclutch. The claim is a ceramic twin disc that drives near OEM and yet holds over 1000nm. Sounds too good to be true but worth an investigation...
 
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Boosted8 said:
I've been made aware of a company called Uniclutch. The claim is a ceramic twin disc that drives near OEM and yet holds over 1000nm. Sounds too good to be true but worth an investigation...
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I'll be going with a Uniclutch Track very soon to replace my original clutch. I need something heavier duty for the track but want to retain normal drivability.
 
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I would love to fit some 255 width tyres and have a clutch that could handle full throttle engagement off the launch control limiter... I wonder what would break apart next?
 
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I mean was there enough room to remove the transmission with the engine in place. Its a tight fit in there.
 
Altocumulus said:
I'll be going with a Uniclutch Track very soon to replace my original clutch. I need something heavier duty for the track but want to retain normal drivability.
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I know four people with this kit, 2 owners have reported massive problems with it very soon after fitting, the third one still goes fine, the fourth one just fitted it and the single mass dual flywheel is very very loud. Let´s see how long it lasts.

I would go for another option, and keep the dual flywheel if torque permits.
 
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MRA3 said:
I know four people with this kit, 2 owners have reported massive problems with it very soon after fitting, the third one still goes fine, the fourth one just fitted it and the single mass dual flywheel is very very loud. Let´s see how long it lasts.

I would go for another option, and keep the dual flywheel if torque permits.
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I was pinning hope on this as the 'perfect' clutch. Would be interested in details of failures of if they are described on the net?
 
Boosted8 said:
I was pinning hope on this as the 'perfect' clutch. Would be interested in details of failures of if they are described on the net?
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Just to clarify a typo, the single mass flywheel from uniclutch is very loud (also very light).
Boosted8 said:
I would love to fit some 255 width tyres and have a clutch that could handle full throttle engagement off the launch control limiter... I wonder what would break apart next?
Click to expand...
Transfer case.
 
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1) Daily driving experience Vs OEM, pedal pressure and engagement in slow traffic.
2) Drag lunch experience ( 5000rpm+)
3) Any noise and vibration during operation
 
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1000014430.webp
 
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