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

Valentino · 07-15-2010, 12:29 PM

Sorry to hear what happen to you KillerBee. I feel like I'm on a ticking boom. lol

Hope some company will get this issue sorted soon. coz I can't imagine my self going back driving with the stock flywheel.

NYBladeZ · 07-15-2010, 02:52 PM

Thanks for taking one on the chin for the aftermarket community, I hope the car gods find a way to repay you. I had a feeling the clutch master cylinder would have to be changed out, in all aftermarket clutch/flywheel applications I've researched it seems that the cylinder is the weak point. Guess I'll have to wait along with many of you until a quality aftermarket one comes out before upgrading my clutch.

This should be a high priority for atleast a few developers out there. Many people are clearly going to go F.I. within the next year and the clutch will need to be upgraded. Rather than constantly cycling through OEM clutches, we need a master cylinder so we can get a lightweight one in there and watch the rpms climb and drop 10x faster!

KillerBee370 · 07-15-2010, 02:56 PM

Quote:

Originally Posted by Valentino

Sorry to hear what happen to you KillerBee. I feel like I'm on a ticking boom. lol

Hope some company will get this issue sorted soon. coz I can't imagine my self going back driving with the stock flywheel.

I don't think flywheel's got anything to do with it. I'm leaving my JWT flywheel in. At half the weight of the OEM AND picking up 5 whp on the dyno... THAT was a good investement! (Even though I got gratis as well)

KillerBee370 · 07-15-2010, 02:57 PM

Hopefully picking car up today. I will put a call in here now and report back with a more solid answer as to what the tech found out as far as whether it was CMC or CSC.

Hang tight...

Seb@SZ · 07-15-2010, 02:57 PM

We'll be coming out with an upgrade to the OE Slave and addressing the bearing diameter problem for aftermarket clutches. Stay tuned!

KillerBee370 · 07-15-2010, 03:01 PM

Quote:

Originally Posted by Seb@SZ

We'll be coming out with an upgrade to the OE Slave and addressing the bearing diameter problem for aftermarket clutches. Stay tuned!

m4a1mustang · 07-15-2010, 04:20 PM

Quote:

Originally Posted by Seb@SZ

We'll be coming out with an upgrade to the OE Slave and addressing the bearing diameter problem for aftermarket clutches. Stay tuned!

JB-370z · 07-15-2010, 04:28 PM

Quote:

Originally Posted by Seb@SZ

We'll be coming out with an upgrade to the OE Slave and addressing the bearing diameter problem for aftermarket clutches. Stay tuned!

You make we buy

LateralG'z · 07-15-2010, 08:16 PM

Good to hear

WarmAndSCSI · 07-15-2010, 08:22 PM

I did a quick search of the thread, but I'm wondering if the stock master cylinder is made out of plastic or some plastic composite material. This is the case on the Evo X, and people seem to blow them out as soon as a stiffer clutch goes in.

If so, this must be a common cost saving item with manufacturers. Metal is clearly better for something like a master cylinder... kind of disappointing for supposedly race-capable sports cars to have weak points like that.

KillerBee370 · 07-15-2010, 08:32 PM

Car's fixed and ready for pickup. Stock clutch back in and while talking to the tech he corrected himself and said it was definitely the concentric secondary cylinder.

I am getting back the JWT clutch (obviously) and the technician said that he included everything to give back to me including the CSC. I will post up some pics tomorrow and see if I can get this thing into the hands of someone if they need it for R&D purposes in order to engineer an aftermarket piece/part.

LateralG'z · 07-15-2010, 09:20 PM

Quote:

Originally Posted by KillerBee370

Car's fixed and ready for pickup. Stock clutch back in and while talking to the tech he corrected himself and said it was definitely the concentric secondary cylinder.

I am getting back the JWT clutch (obviously) and the technician said that he included everything to give back to me including the CSC. I will post up some pics tomorrow and see if I can get this thing into the hands of someone if they need it for R&D purposes in order to engineer an aftermarket piece/part.

You da man!

Seb@SZ · 07-16-2010, 12:24 AM

Quote:

Originally Posted by KillerBee370

Car's fixed and ready for pickup. Stock clutch back in and while talking to the tech he corrected himself and said it was definitely the concentric secondary cylinder.

I am getting back the JWT clutch (obviously) and the technician said that he included everything to give back to me including the CSC. I will post up some pics tomorrow and see if I can get this thing into the hands of someone if they need it for R&D purposes in order to engineer an aftermarket piece/part.

You have PM.

m4a1mustang · 07-16-2010, 12:25 AM

Quote:

Originally Posted by Seb@SZ

You have PM.

KillerBee370 · 07-16-2010, 12:27 AM

PM replied!

07-15-2010, 12:29 PM	#31 (permalink)
Valentino Enthusiast Member Join Date: Jan 2009 Location: RaceTrack Posts: 349 Drives: SOLD 09,370z,M6 Rep Power: 305	Sorry to hear what happen to you KillerBee. I feel like I'm on a ticking boom. lol Hope some company will get this issue sorted soon. coz I can't imagine my self going back driving with the stock flywheel. __________________ Lou Fusz Nissan \| KW V3 \| SPL rear camber and toe bolt \| OS Giken LSD \| Nismo Diff cover \| Engine Oil cooler \| F.I. TDX Cat Back 18" Resonators \| F.I. Resonated Test Pipes \| Injen cold air intake \| COBB AccessPORT \| JWT Clutch Flywheel \|

07-15-2010, 02:52 PM	#32 (permalink)
NYBladeZ A True Z Fanatic Join Date: Apr 2009 Location: New York Posts: 2,158 Drives: Lotus Exige S Rep Power: 20	Thanks for taking one on the chin for the aftermarket community, I hope the car gods find a way to repay you. I had a feeling the clutch master cylinder would have to be changed out, in all aftermarket clutch/flywheel applications I've researched it seems that the cylinder is the weak point. Guess I'll have to wait along with many of you until a quality aftermarket one comes out before upgrading my clutch. This should be a high priority for atleast a few developers out there. Many people are clearly going to go F.I. within the next year and the clutch will need to be upgraded. Rather than constantly cycling through OEM clutches, we need a master cylinder so we can get a lightweight one in there and watch the rpms climb and drop 10x faster! __________________ 2009 Carbon Fiber/Red 370z aka Trish: Sports Package, Meisterschaft full catback, Fast Intentions Longtube Headers, Injen Long Tube Intakes, UpRev Tune: Sold 2008 Lotus Exige S Club Racer aka Bella, always leaves me smiling

07-15-2010, 02:57 PM	#35 (permalink)
Seb@SZ Enthusiast Member Join Date: Jan 2010 Location: Chatsworth Posts: 277 Drives: Zs Rep Power: 24	We'll be coming out with an upgrade to the OE Slave and addressing the bearing diameter problem for aftermarket clutches. Stay tuned! __________________ Z Car Specialists www.specialtyz.com Blog http://specialtyz.com/blog/

07-15-2010, 08:16 PM	#39 (permalink)
LateralG'z Track Member Join Date: Nov 2009 Location: Oklahoma Posts: 876 Drives: 370z Rep Power: 17	Good to hear __________________ 2010 Mag Black, 6MT,

07-15-2010, 08:22 PM	#40 (permalink)
WarmAndSCSI A True Z Fanatic Join Date: May 2010 Location: SLC, UT Posts: 1,671 Drives: '08 Evo X \| '10 370Z Rep Power: 18	I did a quick search of the thread, but I'm wondering if the stock master cylinder is made out of plastic or some plastic composite material. This is the case on the Evo X, and people seem to blow them out as soon as a stiffer clutch goes in. If so, this must be a common cost saving item with manufacturers. Metal is clearly better for something like a master cylinder... kind of disappointing for supposedly race-capable sports cars to have weak points like that. __________________ '10 PW 370Z 7AT - wife's car - Project Raspberry Cheesecake '08 Evo X - built motor+trans \| BB-X @ 32 psi \| CH3OH \| self-built+tuned - ??? WHP '01 Galant V6 - built motor \| GT35R \| self-built+tuned - 550+ WHP (retired)

07-15-2010, 02:57 PM	#34 (permalink)
KillerBee370 A True Z Fanatic Join Date: Mar 2009 Location: So Cal baby! Age: 51 Posts: 5,964 Drives: with passion Rep Power: 321	Hopefully picking car up today. I will put a call in here now and report back with a more solid answer as to what the tech found out as far as whether it was CMC or CSC. Hang tight...

07-15-2010, 08:32 PM	#41 (permalink)
KillerBee370 A True Z Fanatic Join Date: Mar 2009 Location: So Cal baby! Age: 51 Posts: 5,964 Drives: with passion Rep Power: 321	Car's fixed and ready for pickup. Stock clutch back in and while talking to the tech he corrected himself and said it was definitely the concentric secondary cylinder. I am getting back the JWT clutch (obviously) and the technician said that he included everything to give back to me including the CSC. I will post up some pics tomorrow and see if I can get this thing into the hands of someone if they need it for R&D purposes in order to engineer an aftermarket piece/part.

07-16-2010, 12:27 AM	#45 (permalink)
KillerBee370 A True Z Fanatic Join Date: Mar 2009 Location: So Cal baby! Age: 51 Posts: 5,964 Drives: with passion Rep Power: 321	PM replied!

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