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Discussion Starter #1 (Edited)
OK so you have heard all this talk about upgrading your cmc to improve shifting and eliminating grinds but dont know which one to buy. Well as a matter of fact THEY ARE ALL THE SAME!!! The only thing that changes is price and clutch line. I am posting the links to each one and you can clearly see for yourself. How is this possible, some people say this one or that one is better? They dont know what they are talking about check the links for yourself. So why different prices if they are all the same? Well the clutch line or more specifically the quality.

The hard facts: Someone (I believe Hybrid Racing is the first ones to figure this out) discovered that the CMC off of an EM1 is similar and could work. What is an EM1 you may ask. An EM1 is a 99-00 Honda Civic Si. Part number for the OEM EM1 CMC is 46920-S04-A01. So why are people saying one is better than the other? Again they dont know all the facts they probably just go based on the price, although many recommending based on this premise recommend the cheapest one.

So really when it comes down to it you have to decide which company offers the best clutch line since they are all selling the same one. So which one is the is the best, its up to you to decide which clutch line you feel is the best. I am just posting the facts on one page to help you decide.

The originator Hybrid Racing:
8th Gen Civic Master Cylinder Upgrade Kit | Hybrid Racing

Site sponsor:
XLR8 Clutch Master Cylinders - Excelerate Performance - Japanese and European Performance Specialists!!

More affordable option:
06-11 & 12-14 Honda Civic Si EM1 Nissin CMC & Stainless Steel Clutch Line Upgrade | I Love My Honda

The even cheaper option:
http://www.8thcivic.com/forums/clutch-transmission/249954-autozone-em1-cmc.html

If you have a race car and need a super stiff CMC that will possibly break the mounting braket you could get an Omni and you will probably have to get the clutch line from either of the above listed places Omni Power Clutch Master Cylinder Honda Civic Si (2006-2011) CMC-SI

Different clutch line option from KTuned...
Stainless Steel Clutch Line Kit

Affordable clutch line option
Techna-Fit Clutch Lines - Lightning Motorsports - Made with bits of real lightning, so you know it's good !

NEW UPDATED BETTER OPTION:
Honda developed an updated CMC for 8ths. Its part number 46925-TA0-A02 and follow this video how to adjust, you might not even need a new one after adjusting your current stock one. So first try adjusting like it says in the video below if you feel its still giving you problems replace it with the new updated one and adjust it as per the video.
http://www.8thcivic.com/forums/clutch-transmission/506410-how-avoid-buying-em1-cmc-stock-cmc-fix-video-inside.html
 

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Still, this information is helpful for people new to the FG2

I was having trouble finding reliable/updated information regarding this 'known issue'

@ Roe956 - I am not sure if this is updated and correct, but the DIY install directions are at this link. Could be helpful in the first post.

06+ Civic Si CMC Swap Guide
 

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I've been looking around and I would like to know if anyone is using or tried the Beck Arnley Part# 072-9744. The part looks the same as the OEM EM1 CMC, even down to the writing on the side. Is the Beck Arnley Part# 072-9744 the same part as the OEM 46920-S04-A01 (as in quality/performance)?
 

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Still, this information is helpful for people new to the FG2

I was having trouble finding reliable/updated information regarding this 'known issue'

@ Roe956 - I am not sure if this is updated and correct, but the DIY install directions are at this link. Could be helpful in the first post.

06+ Civic Si CMC Swap Guide
I looked at the link you provided bigkaspi and I have a question. When it says to use all the OEM parts on the EM1 CMC, does that mean to swap the push rod only or does that include the internal plunger?
 

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Discussion Starter #6
I've been looking around and I would like to know if anyone is using or tried the Beck Arnley Part# 072-9744. The part looks the same as the OEM EM1 CMC, even down to the writing on the side. Is the Beck Arnley Part# 072-9744 the same part as the OEM 46920-S04-A01 (as in quality/performance)?
Nissin is the original manufacturer of the part Beck Arnley i know use to provide Honda with OEM parts in the past. From what i know the Nissin part is the original tried and true part.
 

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Discussion Starter #7

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I was told that all cmc from 96+ civics were the same. So I grabbed a 2000 civic ex cmc and have been going strong for over 30k miles.
 

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Although I know this now, I didn't when I first got my FA5. Definitely helpful information, along with the link above for the warning/advice.
 

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I'm having CMC 46925-TA0-A02, slave cylinder 46930-S6M-003 & clutch hose 46961-SNA-A41 installed next week. These are all Honda OEM parts. They are old and just worn out after 120,000 miles. The gearbox is really notchy when shifting esp. first gear. The clutch engages flywheel with clutch pedal fully depressed. After reading about all other CMC's I decided to go OEM. Too many problems with Omni and didn't want to mess with EM1. I trust the Honda engineers know what they are doing. If they thought the EM1 was better they would have put it on there.
 

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I'm having CMC 46925-TA0-A02, slave cylinder 46930-S6M-003 & clutch hose 46961-SNA-A41 installed next week. These are all Honda OEM parts. They are old and just worn out after 120,000 miles. The gearbox is really notchy when shifting esp. first gear. The clutch engages flywheel with clutch pedal fully depressed. After reading about all other CMC's I decided to go OEM. Too many problems with Omni and didn't want to mess with EM1. I trust the Honda engineers know what they are doing. If they thought the EM1 was better they would have put it on there.
Please keep us posted regarding the improvements or changes you notice after installation. :usa:
 

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I'm having CMC 46925-TA0-A02, slave cylinder 46930-S6M-003 & clutch hose 46961-SNA-A41 installed next week. These are all Honda OEM parts. They are old and just worn out after 120,000 miles. The gearbox is really notchy when shifting esp. first gear. The clutch engages flywheel with clutch pedal fully depressed. After reading about all other CMC's I decided to go OEM. Too many problems with Omni and didn't want to mess with EM1. I trust the Honda engineers know what they are doing. If they thought the EM1 was better they would have put it on there.
I have an 09 EX so I have a different slave cylinder, but the new CMC (46925-TA0-A02) has made a huge improvement in shifts - even my wife commented on it. I installed it about 6 weeks ago.

I'm not so sure Honda's engineers are all that. If you look back at what part numbers Honda uses for the 8th gen Civic, you'll find that they're on the 4th CMC. The first 2 were 8th Civic specific, the 3rd is from an Accord and the 4th is a revised version of the 3rd.
 

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I'm having CMC 46925-TA0-A02, slave cylinder 46930-S6M-003 & clutch hose 46961-SNA-A41 installed next week. These are all Honda OEM parts. They are old and just worn out after 120,000 miles. The gearbox is really notchy when shifting esp. first gear. The clutch engages flywheel with clutch pedal fully depressed. After reading about all other CMC's I decided to go OEM. Too many problems with Omni and didn't want to mess with EM1. I trust the Honda engineers know what they are doing. If they thought the EM1 was better they would have put it on there.
Did you get the work done? What improvements have you noticed?
 

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Just shifts better and no more popping and squeaks. I just got mines done not too long ago. With an exedy oe replacement from stage 2 comp clutch. Back to stock feel. Before with the stage 2 I couldnt get into reverse anymore and gears 1 2 3 feels like a wall. Now its butter. Pretty sure its broken in now with 2000km on it. Prob like 1000miles.
 

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Here's an update
The 5th updated or whatever master, 46925-TA0-A02 is PURE ****

I had my slave fail last week, ordere a new Honda one, and thought I'd try this too, since my EM1 CMCs keep failing too. I had metal shavings in the whole line up to the master and res, so hey, why not try this supposed new master.

WRONG!

I can NOT shift at redline at all. Can not powershift, can not ******* do anything. This updated master is ****. Just for *****, I bled 2 pints of fluid through it to completely eliminate any chance of air in the system. I actually had to adjust the slave rod out and clutch switch out to max; STILL NO CHANGE.

This **** is ridiculous, I'm so ******* sick of this clutch hydraulics ****. Going back to EM1 master again... :wheee:
 

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Here's an update
The 5th updated or whatever master, 46925-TA0-A02 is PURE ****

I had my slave fail last week, ordere a new Honda one, and thought I'd try this too, since my EM1 CMCs keep failing too. I had metal shavings in the whole line up to the master and res, so hey, why not try this supposed new master.

WRONG!

I can NOT shift at redline at all. Can not powershift, can not ******* do anything. This updated master is ****. Just for *****, I bled 2 pints of fluid through it to completely eliminate any chance of air in the system. I actually had to adjust the slave rod out and clutch switch out to max; STILL NO CHANGE.

This **** is ridiculous, I'm so ******* sick of this clutch hydraulics ****. Going back to EM1 master again... :wheee:
Which slave did you use?

46930-S6M-003 or 46930-SWA-G01?

Did you remove the delay valve?
 

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I used a OEM Honda Slave 46930-S6M-003.
I have never deleted the valve, there is no reason you should EVER have to do this; yes, some/a lot say it helps, but there is no reason at all for this IMO, only IMO.
What a ******* shock I go back to an EM1 master and I can spin 2nd and chirp 3rd now and shift all day at 8750. Honda sure has ****** up the clutch hydraulics on these cars...
 

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I would be a tad careful just adjusting the clutch rod all the way out as you can put too much pressure on your thrust washers and essentially turn your engine into a giant paperweight lol
 
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