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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain.


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Old 08-05-2014, 04:10 AM   #1
Flasher
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Which clutch to buy for FI?

I recently went FI with the AVO turbokit and now, after 2 months with several hard launches, two trackdays and a failed flat foot shifting attempt it seems that my clutch is quitting. I noticed slight slipping in 6th gear when accelerating on the highway the other day. I won't change the clutch immediately, but I should start to look out for one.

Flywheel-TQ is @ ~230, so a Stage 1 clutch should do the job. I want almost stock pedal feel so the exedy stage 1 seems to be the best option for me - any other suggestions?

How long does it take to change out the clutch?

Last edited by Flasher; 08-05-2014 at 06:19 AM.
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Old 08-05-2014, 09:39 AM   #2
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you want to buy my 3,000 mile act stage 3? with flywheel i need one that holds more torque for my new engine build @Flasher
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Old 08-05-2014, 10:32 AM   #3
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Quote:
Originally Posted by Flasher View Post
I recently went FI with the AVO turbokit and now, after 2 months with several hard launches, two trackdays and a failed flat foot shifting attempt it seems that my clutch is quitting. I noticed slight slipping in 6th gear when accelerating on the highway the other day. I won't change the clutch immediately, but I should start to look out for one.

Flywheel-TQ is @ ~230, so a Stage 1 clutch should do the job. I want almost stock pedal feel so the exedy stage 1 seems to be the best option for me - any other suggestions?

How long does it take to change out the clutch?
I have the Exedy Stage 1 and it's pretty good. If I could go back and do it again, I would probably get the Stage 2 since it's almost identical in feel and the price is very close.

I'm not sure if it's still the case, but the Exedy Stage 1 and 2 were very hard to get a few weeks back. If you're planning on getting one in the future, you may want to order it soon and expect to wait.
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Old 08-05-2014, 11:10 AM   #4
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just remember that puck clutches usually don't have a long life.
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Old 08-05-2014, 11:11 AM   #5
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Old 08-05-2014, 01:06 PM   #6
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Old 08-05-2014, 01:13 PM   #7
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Spec 2+ at 400whp/355tq on an avo kit. No issues
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Old 08-05-2014, 03:52 PM   #8
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Ok so several different clutches alread suggested, but which one would be "best bang for the buck"?

Shop-mechanic told me this afternoon, that they experienced a lot of "jerkiness" with the exedy stage 1 in their Subarus (mostly imprezas).
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Old 08-06-2014, 11:40 PM   #9
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Still don't understand why everyone uses all these mass production clutches...

Southbend Clutch is hands down my favorite. Stage 2 will be fine unless you are trying to get over 350wtq. Best daily driving clutch IMO. Supra guys running 600+ all run Southbend here locally and nearly every Audi/BMW guy I know runs them. Feels like OEM, grips like the hulk.
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Old 08-06-2014, 11:43 PM   #10
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Changed one in 2 hours.
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Old 08-07-2014, 01:03 AM   #11
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Quote:
Originally Posted by arghx7 View Post
just remember that puck clutches usually don't have a long life.
my last car had a 6 puck and it lasted 80k miles, poorly designed/adjusted/installed clutches god bad early as well.

clutch was a trd japan racing clutch in my last car worked flawlessly

EDIT: i sold the car before the clutch died so have no idea how much longer it could have ran
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Old 08-25-2014, 04:22 AM   #12
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Ok guys my clutch is slipping more and more, so I definitely need to purchase one right now. I'm really looking into the Exedy Stage 1 but there are different Part-Numbers

This is the one I found in the Exedy Catalog: 15805FW

This is the one I found on a dealers site and if you search for it you'll find an european Exedy website: TK07H833

But I don't know if any of this has actually a lighter flywheel within the kit and how much torque it can handle.

Edit: ok I found the P/N TK07H833 also in the exedy catalog - so this is only the a kit consisting of disc and cover and can handle only about 260 TQ - it's not the Stage 1 kit even though some sellers are calling it like this.
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