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Old 08-08-2010, 05:35 AM   #1
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Default Clutch

It was bound to happen sooner or later, and I'm pleasantly surprised that it lasted this long. I've been making 400+ awhp for a couple years, and have been on the original OEM clutch. The car never gets launched, but I do enjoy the occasional romp down the freeway on-ramp.

With almost 62k miles on the clutch, it finally let go yesterday. I did a 2nd & 3rd gear pull, backed off and did another 2-3 pull. Going into 3rd it just rev'ed and made that awesome smell.

Finally I get to replace it. I just wish I had all my pennies saved up for the parts.
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Old 08-08-2010, 09:24 AM   #2
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Yep, it's gonna happen, eventually - and frankly, I'm also surprised at how much you got out of her!

So, what're you going to go with?
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Old 08-08-2010, 10:54 AM   #3
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I'm surprised as well. I don't baby the car by any stretch of the imagination, but I have been driving cars with clutches since I got my permit. Never ride the pedal, etc etc etc.

I will be using this setup: http://www.fredbeansparts.com/index....-flywheel.html
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Old 08-08-2010, 06:43 PM   #4
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Good, now when your ready u can race urabus!
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Old 08-09-2010, 05:37 AM   #5
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^^ *snicker*

I will need a couple hundred more AWHP before I do that.
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Old 08-09-2010, 06:24 PM   #6
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^ Nah, what u lack in awhp u more than make up 4 in the many, many, many

years (read: decades) of experience over the young whippersnapper.
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Old 08-10-2010, 06:44 PM   #7
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Is running a lighter flywheel at your AWHP not good? Or you need a flywheel with more mass to hold up with it?
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Old 09-21-2010, 10:48 AM   #8
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It's finally getting put in today by a local shop.

I forgot to order the TSK3 kit from Fred Beans, which finally arrived yesterday. Just stopped by the shop to check on my baby and the tech doing the work said it's going as smooth as can be expected. I bet he jinxed himself...

The friction disk still had a LOT of material left on it. The slipping was coming from the pressure plate - both it and the OEM flywheel had some nice hot spots on them.

That OEM Subaru clutch surprised me.
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Last edited by john; 09-21-2010 at 10:52 AM.
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Old 09-21-2010, 10:51 AM   #9
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Quote:
Originally Posted by Dookie
Is running a lighter flywheel at your AWHP not good? Or you need a flywheel with more mass to hold up with it?
If a guy intended to launch the car, then a lightweight/lighter flywheel may not be a great idea. The mass of the flywheel stores a lot of energy, so less mass == less energy.

I went from a 34 lb dual mass to a 14 lb single mass in the supra years ago. Simply destroyed my ability to get the car out of the hope. However, it revved like a chainsaw, which was sorta fun.
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Old 09-21-2010, 12:51 PM   #10
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I noticed long ago that one of the upgrades from the 2.5i to the GT was a dual-mass flywheel. What, exactly, is the benefit of more mass? It won't get as hot when launching?
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Old 09-21-2010, 03:48 PM   #11
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http://www.high-impact.net/transmiss...svsSolidFW.htm

^ I thought that was a pretty decent write-up.

Dual-mass flys are typically for NVH.
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Old 09-21-2010, 06:34 PM   #12
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Makes sense. Good stuff...thanks!
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Old 09-22-2010, 05:19 AM   #13
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Np.
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Old 09-22-2010, 10:20 PM   #14
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Indeed, good to know.
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Old 09-23-2010, 05:26 AM   #15
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I'd forgotten what the increased pedal pressure was like. Only driven the car twice since the install, going to take some getting used to.
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Old 09-23-2010, 09:24 AM   #16
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^ I stalled backing out of the service area's parking lot.

Came back fast, though.
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Old 03-08-2019, 12:56 PM   #17
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Default 05 legacy gt wagon Clutch

Stock clutch got worn out over time, after a lot of research I decided on ditching the DMFW and going with an Exedy stage 1 clutch and ACT streetlite SM flywheel. Was great for a while (other than the classic cement mixer sound you get from the LWFW) than, started to get the telltale TOB chirp(dissapeared when clutch was depressed) and engangement began to get real shuddery. Brought it in to the shop, they tore apart my tranny and it turned out there were some bearings in my Diff that were bad. New pilot and TOB along with the bearings, still went easy on the clutch until I got to about 600 miles or so. Slowly began to slip more and more, so I bring it in a second time, flywheel and clutch both have improper wear and are completely fried. They told me that the parts were from a WRX and incompatible. As I stated before, I did my research and there are many posts on the same car, with the same setup and all have worked well. I purchased another stage 1 organic, with an Exedy LWFW thinking maybe their was some inconsitiencies between EXEDY and ACT parts. After the New parts were installed, immediatly got the same TOB- like chirp, and engangement just recently has begun to get worse (still in break in period, still have been very gentle with RPMs) I am now getting the same whirring/chirp like sound, but this time while in gear at low RPMs as well as idle. I’m pretty frustrated at this point, really dont want to spend another $1000 on ANOTHER clutch and flywheel. I would really like to stick with SMFW and a beefier clutch so I can handle future modifications, however this is getting pretty ridiculous. I do have a cobb short shifter installed, I have had the shop look over it quite a few times now and they say everything looks normal, though I would like your guy’s input. Is there anyway the shifter might have something do with the issues i’m having however unlikely? Could there be some important differences between a 2005 or 2005.5 model legacy gt wagon? Everything I have read online, and even Rallysportdirect says that the WRX parts should work perfectly. I love this car, and shes only got 73k on her, but these clutch problems are driving me mad and making me want to get rid of her. Thanks guys, any help/ tips would be greatly appreciated.
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