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| Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. |
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01-18-2021, 05:40 PM
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#1 |
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How much TOB travel req'd to disengage OE clutch?
I am looking for technical detail. OE clutch. Once the TOB contacts the clutch fingers, how much linear travel or movement is required to disengage the clutch?
MY14 |
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01-21-2021, 12:04 PM
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#2 |
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Answered!!
I reached out to Exedy. About 8mm. Sent from my moto g power using Tapatalk |
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| The Following 2 Users Say Thank You to snuff58 For This Useful Post: | Mike_ZN6 (01-21-2021), Ultramaroon (01-31-2021) |
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01-21-2021, 05:48 PM
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#3 |
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Interesting but I have absolutely no idea what to do with this information.
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1974 TA22 Celica
2013 86 GT |
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01-30-2021, 11:47 PM
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#4 | |
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I'll splain it
Quote:
(maybe more info than you expected!) Well, I have a Hydraulic Release Bearing. (a Tilton cylinder) The bearing froze up and destroyed the cylinder. I resurfaced my flywheel and installed a new OE Exedy clutch. I needed to be sure that my new TOB had the proper clearance between it and the clutch fingers. The Tilton cylinder has a total movement of .7" . I measured the distance from the bellhousing/trans mounting surface (at engine block) to the clutch fingers and also to the TOB surface (fully retracted) I needed to alter the latter measurement to provide the clearance I wanted. I wanted to know how far the TOB needed to travel to fully disengage the clutch. That's the 8mm that Exedy told me. (I suppose I didn't need this number for sure, but it's nice to know.)Turns out that the cylinder has plenty of movement to allow the clearance I wanted. Tilton suggested .170" to .230" of clearance. I went with the minimum of .170" and added .200" to allow for clutch wear. I ended up machining my HRB base to get this clearance. (Still waiting on my machinist, though.) |
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| The Following User Says Thank You to snuff58 For This Useful Post: | Ultramaroon (01-31-2021) |
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Lexi B
