Did a thing, converted to complete hydraulic no more TOB problems ever again. - Page 3 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

humfrz · 07-05-2018, 12:27 AM

Quote:

Originally Posted by celek

Piston is designed for over 1 million cycles. The contact surface is solid steel bearing axial load surpasses force needed to depress a clutch by almost 3x. It won’t end up collapsing like factory.

Looks to be an interesting concept.

* does the bearing make constant contact with the pressure plate fingers?

* how is the bearing lubricated?

Thanks,

humfrz

celek · 07-05-2018, 12:01 PM

Quote:

Originally Posted by humfrz

Looks to be an interesting concept.

* does the bearing make constant contact with the pressure plate fingers?

* how is the bearing lubricated?

Thanks,

humfrz

With no pressure the piston just touches the fingers not constant pressure the bearing is sealed and replaceable.
The entire unit is rebuildable at a fraction of original cost. Seals and base are rated at over 1 million cycles.
Im beating the heck out of it now trying to make it fail purposely riding the clutch shifting more than needed randomly pumping the pedal while driving let the car idle for a few hours sit at traffic lights holding the clutch in. ect..., but the amount of research and time is spent researching and designing parts I want this to be the last time anyone has to replace it.

Ultramaroon · 07-05-2018, 02:06 PM

How does Tilton allow for co-axial tolerance?

fika84 · 07-05-2018, 06:50 PM

@celek so this is what's been keeping you from the ITB's??? COME ON! Just kidding, this is badass dude!!

celek · 07-06-2018, 10:41 AM

Quote:

Originally Posted by Ultramaroon

How does Tilton allow for co-axial tolerance?

Are you referring to the movement of the rotation of the contact surface? If that is the question its not Tiltons part it is re-engineered the only part that is Tiltons is the base and seals.
Piston Bearing and contact surface is not an off the self part from Tilton.

Ultramaroon · 07-06-2018, 01:58 PM

Quote:

Originally Posted by celek

Are you referring to the movement of the rotation of the contact surface? If that is the question its not Tiltons part it is re-engineered the only part that is Tiltons is the base and seals.
Piston Bearing and contact surface is not an off the self part from Tilton.

Wow! I'm beginning to understand. You really did go all out.

To rephrase my question, is there allowance for the bearing and contact surface to float into position coaxial to the pressure plate under load?

celek · 07-09-2018, 08:40 AM

Quote:

Originally Posted by Ultramaroon

Wow! I'm beginning to understand. You really did go all out.

To rephrase my question, is there allowance for the bearing and contact surface to float into position coaxial to the pressure plate under load?

entire unit is dead centered to the clutch. if there was any movement it can slide on the contact surface and there is movement of the piston in any direction X Y Z axis inside the seals it can shift around.

highway7 · 07-09-2018, 10:25 AM

Nice!

HawaiianMike · 07-09-2018, 10:33 AM

Definitely looking forward to this as I'm always paranoid about my clutch system going bad (which I think it is).

FRS Justin · 07-09-2018, 10:52 AM

How will this work with dual and triple disc setups with high pressure plate ratings??
looks awesome

celek · 07-09-2018, 01:21 PM

Quote:

Originally Posted by FRS Justin

How will this work with dual and triple disc setups with high pressure plate ratings??
looks awesome

Depends If the Height of the pressure plate changes from factory height.
I have a little bit of give in the bearing to support a taller Pressure plate but if it is too tall I will have to custom one off the base to adjust the height. Unlike the original fork which has full movement this piston can only move so much before falling out. So it has to be engineered within the tolerance of space and available movement of the clutch its self.

As for heavier plate ratings no problems at all. Its hydraulic.

spitfire481 · 07-10-2018, 03:35 PM

I built a setup like this back when i had a faceplated tremec trans behind an fa20. Much better feel than a fork and way more reliable (bent forks). Solid setup, nice work

Capt Spaulding · 07-10-2018, 04:41 PM

I've seen these things floating around for a while and was curious if they were/are worth the outlay. Subbed

Dr. BRZ · 07-10-2018, 11:19 PM

I aint gonna pay $600, yeah nope! But I'll pay $200! Now thats a good deal.

07-05-2018, 02:06 PM	#31
Ultramaroon extra what? Join Date: Sep 2014 Drives: a 13 e8h frs Location: vantucky, wa Posts: 32,077 Thanks: 52,524 Thanked 36,794 Times in 19,077 Posts Mentioned: 1111 Post(s) Tagged: 9 Thread(s)	How does Tilton allow for co-axial tolerance? __________________ service manuals

07-09-2018, 10:52 AM	#38
FRS Justin Senior Member Join Date: May 2014 Drives: 2013 Asphalt FRS Location: San Antonio Posts: 994 Thanks: 693 Thanked 695 Times in 417 Posts Mentioned: 22 Post(s) Tagged: 1 Thread(s)	How will this work with dual and triple disc setups with high pressure plate ratings?? looks awesome __________________ Instagram FT86PROJECT9S Facebook FT86PROJECT9S 710whp

07-10-2018, 03:35 PM	#40
spitfire481 Senior Member Join Date: Mar 2013 Drives: 2JZ FRS Location: Pure Automotive Performance Posts: 1,378 Thanks: 97 Thanked 1,354 Times in 621 Posts Mentioned: 27 Post(s) Tagged: 2 Thread(s)	I built a setup like this back when i had a faceplated tremec trans behind an fa20. Much better feel than a fork and way more reliable (bent forks). Solid setup, nice work __________________ Pure Automotive Performance MoTeC Build Thread @spitfire481

07-10-2018, 04:41 PM	#41
Capt Spaulding Persona Non Grata Join Date: Nov 2015 Drives: '15 BRZ (WRB) Location: On the Border Posts: 1,882 Thanks: 2,016 Thanked 2,781 Times in 1,200 Posts Mentioned: 10 Post(s) Tagged: 1 Thread(s)	I've seen these things floating around for a while and was curious if they were/are worth the outlay. Subbed __________________ Slow is smooth, and smooth is fast

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07-09-2018, 10:25 AM	#36
highway7 Senior Member Join Date: Nov 2017 Drives: FRS 2013 Location: Toronto GTA Posts: 182 Thanks: 2 Thanked 98 Times in 58 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	Nice!

07-09-2018, 10:33 AM	#37
HawaiianMike Member Join Date: Aug 2016 Drives: 2015 Brz Limited Location: New York Posts: 34 Thanks: 7 Thanked 4 Times in 4 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Definitely looking forward to this as I'm always paranoid about my clutch system going bad (which I think it is).

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