JWT clutch is just too damn good... unfortunately...

Zat_Zuma · 08-09-2010, 08:51 AM

I understand that the CSC failed on your setup with the JWT combo. I actually have one that I choose not to install and when I measured the stock CSC fitment on the JWT pressure plate I was appalled that anyone would install or recommend this pressure plate with the stock CSC. The fitment was that bad. It was obvious that it would fail, it was just a matter of when. I'm surprised that it lasted 10K miles. I had all sort of problems with my 07 350Z when I installed the JWT combo and at least now I understand why. I would recommend the bearing sleeve be installed with the JWT clutch combo as the alignment is much better.

This is why when the CSC bearing sleeve became available for the stock CSC, I checked into it and learned all sort of things. The more I researched, the more I realized the JWT combo was not for me. It was nice to actually find a company that researched and recommended a clutch setup for our cars that actually had real world testing behind it.

That being said, I do know that the stock CSC with the bearing sleeve may not be the final answer but at least it gives the stock CSC a fighting chance with proper alignment and spacing with the pressure plate fingers.
It will probably take years for me to find out as I only put around 5K miles per year on my car. By the time the CSC needs to be replaced, I'm hoping that a better replacement will be available.

1slow370 · 08-11-2010, 03:39 AM

Quote:

Originally Posted by Zat_Zuma

I understand that the CSC failed on your setup with the JWT combo. I actually have one that I choose not to install and when I measured the stock CSC fitment on the JWT pressure plate I was appalled that anyone would install or recommend this pressure plate with the stock CSC. The fitment was that bad. It was obvious that it would fail, it was just a matter of when. I'm surprised that it lasted 10K miles. I had all sort of problems with my 07 350Z when I installed the JWT combo and at least now I understand why. I would recommend the bearing sleeve be installed with the JWT clutch combo as the alignment is much better.

This is why when the CSC bearing sleeve became available for the stock CSC, I checked into it and learned all sort of things. The more I researched, the more I realized the JWT combo was not for me. It was nice to actually find a company that researched and recommended a clutch setup for our cars that actually had real world testing behind it.

That being said, I do know that the stock CSC with the bearing sleeve may not be the final answer but at least it gives the stock CSC a fighting chance with proper alignment and spacing with the pressure plate fingers.
It will probably take years for me to find out as I only put around 5K miles per year on my car. By the time the CSC needs to be replaced, I'm hoping that a better replacement will be available.

Yeah i'm starting to think it's less of an alignment problem that is causing the high failure rate. it may be a factor but given that stock clutches are screwing up the csc's it probably has more to do with the much higher spring rate. the stock csc is designed to be sluggish as well, and if you took one apart and looked at all the plastic and the $hity little o ring that is supposed to hold back all that pressure it's no wonder their popping like drunk girls after prom.

Zat_Zuma · 08-11-2010, 05:25 AM

Quote:

Originally Posted by 1slow370

Yeah i'm starting to think it's less of an alignment problem that is causing the high failure rate. it may be a factor but given that stock clutches are screwing up the csc's it probably has more to do with the much higher spring rate. the stock csc is designed to be sluggish as well, and if you took one apart and looked at all the plastic and the $hity little o ring that is supposed to hold back all that pressure it's no wonder their popping like drunk girls after prom.

I agree the CSC isn't designed to handle any kind of major higher spring rate on a pressure plate and the O-ring will eventually fail. My expectation is that the stock CSC will fail in my install and I'll have to replace it. I just hope something better will be available when that happens.

08-09-2010, 08:51 AM	#1 (permalink)
Zat_Zuma A True Z Fanatic Join Date: Nov 2008 Location: Edmonton, Alberta ...eh Posts: 1,171 Drives: 2017 Touring auto Rep Power: 19	I understand that the CSC failed on your setup with the JWT combo. I actually have one that I choose not to install and when I measured the stock CSC fitment on the JWT pressure plate I was appalled that anyone would install or recommend this pressure plate with the stock CSC. The fitment was that bad. It was obvious that it would fail, it was just a matter of when. I'm surprised that it lasted 10K miles. I had all sort of problems with my 07 350Z when I installed the JWT combo and at least now I understand why. I would recommend the bearing sleeve be installed with the JWT clutch combo as the alignment is much better. This is why when the CSC bearing sleeve became available for the stock CSC, I checked into it and learned all sort of things. The more I researched, the more I realized the JWT combo was not for me. It was nice to actually find a company that researched and recommended a clutch setup for our cars that actually had real world testing behind it. That being said, I do know that the stock CSC with the bearing sleeve may not be the final answer but at least it gives the stock CSC a fighting chance with proper alignment and spacing with the pressure plate fingers. It will probably take years for me to find out as I only put around 5K miles per year on my car. By the time the CSC needs to be replaced, I'm hoping that a better replacement will be available. __________________ [B]2009 & 2017 370Z Touring Sport Autos SOLD

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