Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB

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-   Engine, Exhaust, Transmission (https://www.ft86club.com/forums/forumdisplay.php?f=8)
-   -   Clutch rating (https://www.ft86club.com/forums/showthread.php?t=149438)

dynarun55 04-11-2022 11:52 PM

Clutch rating
 
So I did quite a bit searching for a torque rating of the stock clutch.. I came across numbers ranging from 235 ft-lb wheel torque ( dont know which dyno) 90 ft-lb wheel torque.

The stage 1 Exedy clutch which is allegedly produced on the same line as the stock clutch has a rating of 166 ft-lb wheel torque (again dont know which dyno) but also mention that the components should hold 40% more load than the stock. To throw in another variable, you have Jackson racing supercharger website claiming they have run thousands of their CARB legal tune (makes 45% more torque on the stock clutch ) without any problems. Thoughts...?

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Ultramaroon 04-12-2022 02:54 AM

Stock clutch is rated to slip before munching the transmission outright. Keep it. JR is correct.

dynarun55 04-12-2022 09:25 AM

Quote:

Originally Posted by Ultramaroon (Post 3516552)
Stock clutch is rated to slip before munching the transmission outright. Keep it. JR is correct.

Yeah I'm sure JR is correct.. Just curious on the actual numbers on the stock clutch, assuming that it would have been designed to protect the tranny from an NA engine..

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CSG Mike 04-12-2022 08:33 PM

Quote:

Originally Posted by dynarun55 (Post 3516578)
Yeah I'm sure JR is correct.. Just curious on the actual numbers on the stock clutch, assuming that it would have been designed to protect the tranny from an NA engine..

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