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Clutch restrictor removal on Evo 8

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Old Jun 27, 2003 | 11:20 PM
  #31  
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From: At the Apex
Just a little FYI that may have been covered elsewhere, but I didn't notice in this thread: Although the clutch and brake reservoir are combined as one, they are also divided within said container.

So, if you plan on doing this mod, take into consideration that you may be staring at what appears to be a full container, but probably isn't. (The light coating that remains in the reservoir makes this extra deceiving.) That way you don't spend an ungodly amount of time trying this and that, running around town looking for a Mighty Vac, etc... when all you really have to do is dump some more fluid in

This will also allow you to make it to the track on time (to see if this really helps) and prevent you from looking like an idiot in your first post.

Last edited by EvolvedDSM; Jun 27, 2003 at 11:26 PM.
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Old Jun 28, 2003 | 12:07 AM
  #32  
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My question is did Mit. do this on purpose to protect something else. Like tranny, diff or the like from failing. I mean easier to blame a clutch failure on driving them blame a tranny or something failing because of all the torque and abuse.
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Old Sep 6, 2003 | 06:28 AM
  #33  
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anyone post a how-to for this other than 2Cool?

-Shahul
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Old Sep 8, 2003 | 02:32 AM
  #34  
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Clutch and brake use the same reservoir right?
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Old Sep 8, 2003 | 08:14 AM
  #35  
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Originally posted by JT-KGY
Clutch and brake use the same reservoir right?
Yes, but divided... the brake reservoir will look (be) full while your sucking air on the clutch reservoir.
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Old Sep 8, 2003 | 08:29 AM
  #36  
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after putting several threads about not taking out the spring, after examining the driveline and clutch system of the evo per owners manual, the spring is not a restrictor but actually makes the clutch self adjusting. as the clutch wears, the decreased clearance is adjusted by the spring and in turn takes more clutch fluid in the slave cylinder. that is why if you are going to replace your clutch you need to bleed the slave cylinder to take out some of the excess fluid due to wear adjustment.
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Old Sep 8, 2003 | 08:33 AM
  #37  
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Originally posted by sblvro
after putting several threads about not taking out the spring, after examining the driveline and clutch system of the evo per owners manual, the spring is not a restrictor but actually makes the clutch self adjusting. as the clutch wears, the decreased clearance is adjusted by the spring and in turn takes more clutch fluid in the slave cylinder. that is why if you are going to replace your clutch you need to bleed the slave cylinder to take out some of the excess fluid due to wear adjustment.
Umm, no, the spring and restrictor do not adjust anything. They are simply there to restrict quick clutch movement.

All the adjustment is done in the clutch master cylinder.
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Old Sep 8, 2003 | 09:31 AM
  #38  
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Originally posted by sblvro
after putting several threads about not taking out the spring, after examining the driveline and clutch system of the evo per owners manual, the spring is not a restrictor but actually makes the clutch self adjusting. as the clutch wears, the decreased clearance is adjusted by the spring and in turn takes more clutch fluid in the slave cylinder. that is why if you are going to replace your clutch you need to bleed the slave cylinder to take out some of the excess fluid due to wear adjustment.
wrong answer... ...simple mechanics when your looking at it sitting in the slave cylinder... fluid control.
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Old Sep 8, 2003 | 10:28 AM
  #39  
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Originally posted by Zeus


wrong answer... ...simple mechanics when your looking at it sitting in the slave cylinder... fluid control.
hehe, simple mechanics then you should have figured it out then. the slave cylinder has a spring inside which expands the slave cylinder when there is wear in the clutch. since the slave cylinder takes the new volume of the clutch wear, and since the fluid is not compressible then it makes the clutch self-adjusting unlike the cable types. and yes you can also adjust the clutch at the clevis pin area but that is static adjustment. the internal slave spring allows self adjustment.
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Old Sep 8, 2003 | 10:33 AM
  #40  
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the spring is only their to react with the restrictor not to adjust anything...you can see that when you remove it
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Old Sep 8, 2003 | 10:36 AM
  #41  
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Originally posted by sblvro
hehe, simple mechanics then you should have figured it out then. the slave cylinder has a spring inside which expands the slave cylinder when there is wear in the clutch. since the slave cylinder takes the new volume of the clutch wear, and since the fluid is not compressible then it makes the clutch self-adjusting unlike the cable types. and yes you can also adjust the clutch at the clevis pin area but that is static adjustment. the internal slave spring allows self adjustment.
ROFL. We aren't talking about THAT spring! There are 2 springs in the slave cylinder. We are talking about removing one that restricts fluid at the input to the slave cylinder.

You are talking about the one that pushes the slave cylinder piston out. Completely different. And yea, removing THAT spring would be idiotic!
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Old Sep 8, 2003 | 11:42 AM
  #42  
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Originally posted by sblvro
hehe, simple mechanics then you should have figured it out then. the slave cylinder has a spring inside which expands the slave cylinder when there is wear in the clutch. since the slave cylinder takes the new volume of the clutch wear, and since the fluid is not compressible then it makes the clutch self-adjusting unlike the cable types. and yes you can also adjust the clutch at the clevis pin area but that is static adjustment. the internal slave spring allows self adjustment.
Geeze! Get on topic with the rest of us... ShapeGSX took the wind out of my sails with his reply...
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Old Sep 8, 2003 | 11:47 AM
  #43  
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I have a question
Shuold i remove the restrictor if i have my stage 3 clutchmaster kit install. Or shuold i leave the restrictor there shince my aftermarket clutch grab 10x better?
Shince my warrentee just went to Hell thanks to my new and improved clutch,i just think its a good idea to avoid damging my tranfer case or tranny itself. What do you guys think?
Well at any point i still have 500 miles to break in my new clucth befor i have to decide if i shuold remove it or not.Till then im going to baby my clutch like if the dam thing is made out of plastic
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Old Sep 8, 2003 | 11:59 AM
  #44  
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The whole point to the restrictor removal is clutch feel and potential slippage. If you know how to drive a clutch, you don't need the restrictor. It is really that simple.
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Old Sep 8, 2003 | 01:28 PM
  #45  
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So.. if I remove the restrictor.. I wont have to bleed the brakes
as well right?.. Though I assume I will need to fill up the fluid
from the same spot in the engine bay...
(Looking through the manual now...)



It seems crazy to me that manufacture expect any of EVOs
clutches last longer than 10k.... ?? I assume that slippage will
happen when ever you shift at high rpm (in any gear)??
It really doesn't matter if you launch the car or not... The only
way to prolong clutch life is to shift at low rpms at all times....
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