Lets talk clutches
Thread Starter
Safety Car
Joined: Apr 2007
Posts: 3,566
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From: Murfreesboro Tennessee
Lets talk clutches
This winter, I plan on putting headers and a cam on my 08 LS3. I've been doing a bit of research on clutches. What clutches do you guys recommend?
I've been looking at a monster clutch. What are the pros and cons to these clutches? What can I expect to pay to have one installed? Is it necessary to buy a new slave cylinder with the clutch?
I dont do a lot of racing, but I do like to go to the drag strip every now and then. My car is mostly a weekend warrior/ vacation car.
My heart is not set on a monster clutch. I am open to anything that is reliable, affordable, and will last me a while.
Thanks in advanced for any help.
I've been looking at a monster clutch. What are the pros and cons to these clutches? What can I expect to pay to have one installed? Is it necessary to buy a new slave cylinder with the clutch?
I dont do a lot of racing, but I do like to go to the drag strip every now and then. My car is mostly a weekend warrior/ vacation car.
My heart is not set on a monster clutch. I am open to anything that is reliable, affordable, and will last me a while.
Thanks in advanced for any help.
Race Director
Joined: Nov 2005
Posts: 14,553
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From: Supporting the Corvette Community at Abel Chevrolet in Rio Vista, CA 707-374-6317 Ext.123
St. Jude Donor '08
The Katech LS9x is the best clutch for you by a long shot. The pedal effort remains the same, there is no chatter and it will modulate better then just about anything on the market. It will hold more power then you can throw at it and you will never think it feels like most aftermarket clutches. My 80 year old grandma could drive our Z06 around and not have an issue.
We have installed them in a quite a few cars and every single owner loves it. I have one in our cammed Z06 and I could not be happier. I consistantly cut 1.5x short times and never have any hanging pedal issues. We Auto X, drag race and HPDE the car without issues. For cars at or under ~575 RWHP I do not believe there is a better kit on the market for all around use.
I am offering the Katech kit shipped to your door for $1,425. It includes, the Katech Aluminum flywheel, ZR1 Pressure plate and disks, ZR1 slave cyl, pilot bearing, pressure plate and flywheel bolts, along with a bottle of Dot 4 fluid.
RICH
We have installed them in a quite a few cars and every single owner loves it. I have one in our cammed Z06 and I could not be happier. I consistantly cut 1.5x short times and never have any hanging pedal issues. We Auto X, drag race and HPDE the car without issues. For cars at or under ~575 RWHP I do not believe there is a better kit on the market for all around use.
I am offering the Katech kit shipped to your door for $1,425. It includes, the Katech Aluminum flywheel, ZR1 Pressure plate and disks, ZR1 slave cyl, pilot bearing, pressure plate and flywheel bolts, along with a bottle of Dot 4 fluid.
RICH
Le Mans Master
Joined: Dec 2005
Posts: 6,999
Likes: 1,685
From: Southeast TX
I have the LS9 clutch and couldn't be happier. You don't need a huge left leg to work it. Feels like stock and seems very sure when it grabs. No bad manners...just smooth and positive. My LS3 is supercharged. Original clutch lasted about 20K. 5K stock, 5K cam and bolt ons, and 10K with TVS charger. It wasn't completely shot, but wasn't far from it. If you compare the LS9 clutch to the stocker, you can see the extra beef. I think it can hold anything I will throw at it.
Race Director
Joined: Nov 2005
Posts: 14,553
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From: Supporting the Corvette Community at Abel Chevrolet in Rio Vista, CA 707-374-6317 Ext.123
St. Jude Donor '08
I have the LS9 clutch and couldn't be happier. You don't need a huge left leg to work it. Feels like stock and seems very sure when it grabs. No bad manners...just smooth and positive. My LS3 is supercharged. Original clutch lasted about 20K. 5K stock, 5K cam and bolt ons, and 10K with TVS charger. It wasn't completely shot, but wasn't far from it. If you compare the LS9 clutch to the stocker, you can see the extra beef. I think it can hold anything I will throw at it.
Race Director
Joined: Nov 2005
Posts: 14,553
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From: Supporting the Corvette Community at Abel Chevrolet in Rio Vista, CA 707-374-6317 Ext.123
St. Jude Donor '08
Burning Brakes
Joined: Apr 2008
Posts: 815
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From: Virginia beach va
so will it be a good clutch if your putting down 650 whp and around 700 tq I'm looking at adding nitrous in the near future and would like a clutch that can handle that I know until I get sticker tires there is no point in adding the bottle though just looking at future mods also.
Safety Car
Joined: Feb 2008
Posts: 3,712
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From: TEXOMA
St. Jude Donor '08-'09
so will it be a good clutch if your putting down 650 whp and around 700 tq I'm looking at adding nitrous in the near future and would like a clutch that can handle that I know until I get sticker tires there is no point in adding the bottle though just looking at future mods also.
-Carl
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Race Director
Joined: Nov 2005
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From: Supporting the Corvette Community at Abel Chevrolet in Rio Vista, CA 707-374-6317 Ext.123
St. Jude Donor '08
We have installed a couple in ~600 RWHP cars that drag race occasionally. If you are looking at heading to the track every weekend, then a PITA dual disk chatter clutch is your best bet. If you want stock drivability, great manners and something that will work for a few trips a year to the strip, the LS9x is the best option. I am confident that our LS9x will last forever because I am happy with 1.5x short times and stock manners and I am not trying to wring out every last .01 out of it.
Recommending a clutch is difficult because what it will "hold" is subjective and everyones driving style is different. I have seen people destroy a daul disk in a 400 RWHP car because they can't drive worth a chit, compared to a good driver in a 600 RWHP car that is able to make his clutch last forever.
Former Vendor
Joined: Jan 2007
Posts: 1,584
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From: Lubbock Tx
We move quite a few of the LS9x clutches as well and they are always a great success.
Other twins that we also sell alot of are the Mcleod RST and RXT setups, as well as Textralia EXOskels. We've had the best of luck with all of the above. One of our local guys runs the EXOskel in his ECS blown 730rwhp C6 and it is completely chatter free and smooth to drive. It is a pleasure to drive that car.
The RST feels like a stock clutch in my near 500rwhp C5 as well as in our shop car C6 Z06 that made 585rwhp. If the C6 were tracked constantly, we would probably step it up to the RXT as we launch it pretty brutally.
There are alot of good twin disk options that won't give you any trouble on the street.
Other twins that we also sell alot of are the Mcleod RST and RXT setups, as well as Textralia EXOskels. We've had the best of luck with all of the above. One of our local guys runs the EXOskel in his ECS blown 730rwhp C6 and it is completely chatter free and smooth to drive. It is a pleasure to drive that car.
The RST feels like a stock clutch in my near 500rwhp C5 as well as in our shop car C6 Z06 that made 585rwhp. If the C6 were tracked constantly, we would probably step it up to the RXT as we launch it pretty brutally.
There are alot of good twin disk options that won't give you any trouble on the street.
Race Director
Joined: Nov 2005
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From: Supporting the Corvette Community at Abel Chevrolet in Rio Vista, CA 707-374-6317 Ext.123
St. Jude Donor '08
Here is a link to my thread on them.... http://forums.corvetteforum.com/c6-t...5-shipped.html
Race Director
Joined: Oct 2005
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From: Saint Albans, WV
I'm a little partial my Spec super twin carbon. It was a b1tch to break in but the clutch seems to get better the harder I slip it. Does the LS9 clutch hold up to big power and heavy slipping?
Race Director
Joined: Nov 2005
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From: Supporting the Corvette Community at Abel Chevrolet in Rio Vista, CA 707-374-6317 Ext.123
St. Jude Donor '08
Depends what you call big power and heavy slipping I guess. There is no need to excessively slip the clutch. I am going 1.5x on DR's without much slip and have been fine everytime.
The great part is the stock pedal effort, excellent street manners and no chatter at all.
Race Director
Joined: Oct 2005
Posts: 14,555
Likes: 1,255
From: Saint Albans, WV
Depends what you call big power and heavy slipping I guess. There is no need to excessively slip the clutch. I am going 1.5x on DR's without much slip and have been fine everytime.
The great part is the stock pedal effort, excellent street manners and no chatter at all.
The great part is the stock pedal effort, excellent street manners and no chatter at all.
Former Vendor
Joined: Jan 2007
Posts: 1,584
Likes: 17
From: Lubbock Tx
Le Mans Master
Joined: Nov 2005
Posts: 7,058
Likes: 365
From: Kendall Park NJ
We have ran twin disc clutches without a problem.
We have used a Tex Exo-Skel in our Bolt-On Only C5Z and have cut many 1.4-1.5 sixties with a best of 1.46. Never had chatter although the pedal effort was substantial.
We currently run an RPS LSX BC2 in our Bolt-On Only C6Z. We have over 100 passes on it without a problem. We can consistently cut mid to high 1.4s on a well prepped track and have cut a best of 1.40. We believe that this is the best street/strip clutch built. No chatter and drives well on the street. My 115 lb. wife has no problem at all.
Whatever clutch you choose, I strongly recommend considering the value of a great but more expensive clutch versus a less expensive one. If you are not performing the installation yourself, the labor is a large part of the cost. A great clutch will last longer and take more abuse thus costing you less in the long run.
Good Luck
We have used a Tex Exo-Skel in our Bolt-On Only C5Z and have cut many 1.4-1.5 sixties with a best of 1.46. Never had chatter although the pedal effort was substantial.
We currently run an RPS LSX BC2 in our Bolt-On Only C6Z. We have over 100 passes on it without a problem. We can consistently cut mid to high 1.4s on a well prepped track and have cut a best of 1.40. We believe that this is the best street/strip clutch built. No chatter and drives well on the street. My 115 lb. wife has no problem at all.
Whatever clutch you choose, I strongly recommend considering the value of a great but more expensive clutch versus a less expensive one. If you are not performing the installation yourself, the labor is a large part of the cost. A great clutch will last longer and take more abuse thus costing you less in the long run.
Good Luck
