Drivetrain Questions and info regarding transmissions, clutches, etc.

04 6MT clutch/tranny issue

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  #31  
Old 01-22-2012, 11:39 PM
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I made a joke saying I always double clutch because our transmissions suck, but Pauly C said he double clutches because the RPMs drop fast when you push the clutch in and at faster speeds you have to double clutch to make the engine keep up with the transmission. If that is the case with the JWT flywheel, I am up for it..
 
  #32  
Old 01-22-2012, 11:48 PM
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yeah i caught on your joke my question was for Pauly C.
I got about 1k km on it so far and its been great. I didnt drive it hard yet we have tons of snow and SLIP is blinking all the time.

Why double clutch? Why not REV match while you're clutched in? isnt that the same?

example shifting from 2 to 3 driving hard
second gear, 6k RPM.
Gas off, Clutch in, shift to third. RPM dropped to 2k let say?
While clutched rev match (to 4500 maybe? or whatever) then release clutch.

wouldnt that be the same?
 
  #33  
Old 01-23-2012, 12:00 AM
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Yes, you're right...you don't have to stomp the pedal twice to rev match the shift. At least our transmissions don't require us to.
 
  #34  
Old 01-23-2012, 12:04 AM
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thought so, last tranny needed double clutching was when? 40 some years ago? lol

Go for the JWT though well worth it. I love it
 
  #35  
Old 01-23-2012, 12:16 AM
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Originally Posted by Pauly C

YES! First off, going from OEM to a Stage 1 clutch and a lightweight flywheel, I expected a tighter pedal, but it actually seemed to be more loose. There is about 2 inches of play before the tension is there. BUT, the grab is quick after that!
Please clarify what exactly you mean by tighter?

Does the clutch pedal require more or less effort to depress or to raise up?

Does the clutch start grabbing sooner or later than stock - that is higher off the floor compared to stock or lower?

Is the range of friction zone more or less than with stock?

Tighter or looser doesn't really explain clutch action. Such terms are better used to describe sexual partners
 
  #36  
Old 01-23-2012, 12:23 AM
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Yea, pretty much, I think a lot of 18-wheelers need to double clutch...basically any gear box without synchros.

I think my car has a stock clutch. A couple previous owners and was never told it was replaced. Bought it with 77K miles and now at 140K miles. Slips a few RPM here and there..
 
  #37  
Old 01-23-2012, 12:32 AM
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Originally Posted by jsolo
1- Please clarify what exactly you mean by tighter?

2- Does the clutch pedal require more or less effort to depress or to raise up?

3- Does the clutch start grabbing sooner or later than stock - that is higher off the floor compared to stock or lower?

4- Is the range of friction zone more or less than with stock?

5- Tighter or looser doesn't really explain clutch action. Such terms are better used to describe sexual partners
1- Im pretty sure he meant stiffer. However i didnt feel like it was stiff at all,

2- Same if not easier than stock.

3- My OEM was near the end, with the JWT is less than half way through. I would guess 35% off the floor and the friction zone starts

4- My stock one was about 1", I have a good 1.5 to 2" with the JWT.

5- LOL agreed.
 
  #38  
Old 01-23-2012, 12:33 AM
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Originally Posted by AARONHL
Yea, pretty much, I think a lot of 18-wheelers need to double clutch...basically any gear box without synchros.

I think my car has a stock clutch. A couple previous owners and was never told it was replaced. Bought it with 77K miles and now at 140K miles. Slips a few RPM here and there..

where your engagement/disengagement point? is it near the end?
 
  #39  
Old 01-23-2012, 11:57 AM
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No, it's about 1/3 up. I can adjust it to be right off the floor with the RJM clutch pedal. It doesn't squeak, make any other noise, and had consistent travel every time.
 
  #40  
Old 01-23-2012, 01:35 PM
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Originally Posted by AARONHL
No, it's about 1/3 up. I can adjust it to be right off the floor with the RJM clutch pedal. It doesn't squeak, make any other noise, and had consistent travel every time.
Oh no doubt the RJM is amazing, i was talking about factory pedal lol

But I was seriously thinking about the pedal but that changed alot after i installed the JWT. I might still consider it in the spring
 
  #41  
Old 01-23-2012, 09:35 PM
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My factory clutch pedal was messed up I don't even know where it grabbed...Buy the RJM pedal now and get free shipping...it should be the next $135 you put into the car EVEN BEFORE GASOLINE
 
  #42  
Old 01-23-2012, 09:43 PM
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i was talking to him about it before i changed my clutch as i hated how it felt, but honestly i changed BIG time after i installed the clutch, not perfect but a HUGE change.

My next $ is going towards HRE & coilovers lol frick i cant wait
 
  #43  
Old 01-23-2012, 09:54 PM
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What's HRE?
 
  #44  
Old 01-23-2012, 10:02 PM
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HRE wheels, its a custom three piece rim
 
  #45  
Old 01-23-2012, 10:09 PM
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Oooooo sounds expensive hahaha
 


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