Baker Tuning: 2009 370Z with GTM Stage 2 TT Turn Key

Ron · 11-10-2011, 05:55 PM

^^

JB-370z · 11-10-2011, 06:09 PM

Quote:

Originally Posted by Joe@ZSpeed

The older HR Stage 4 kits were rated lower as they did not put the additional clamp load on them as the new ones (trying to save stock slaves) Since our HD CSC came out we can put the heavier clamp load back on them without worrying about trashing the stock slave and is the reason the TQ rating is back to 600TQ.

Did you get your clutch from us?

Digi, I will send you a new disk if you like first to keep the downtime less, Just send me back the old one when you get it out.

I like that customer service! Nice

Ron · 11-10-2011, 06:11 PM

JB u still with stock clutch?

weiboy718 · 11-10-2011, 07:10 PM

Can it be your clutch still in the breakin process? I'm running the SB TRZ clutch mated with their steel fly and I have no issues other than a slight screech noise during engaging 1st. No issues going into gear either and it is getting better the more I drive it

Vinny · 11-10-2011, 07:16 PM

Quote:

Originally Posted by Joe@ZSpeed

The older HR Stage 4 kits were rated lower as they did not put the additional clamp load on them as the new ones (trying to save stock slaves) Since our HD CSC came out we can put the heavier clamp load back on them without worrying about trashing the stock slave and is the reason the TQ rating is back to 600TQ.

Did you get your clutch from us?

Digi, I will send you a new disk if you like first to keep the downtime less, Just send me back the old one when you get it out.

Yeah, I bought the clutch and the HD CSC through you guys about 9-10 months ago.
So am I correct in assuming that the clutch will be able to hold up to the 500-540 lbs that I'm shooting for?

Vinny · 11-10-2011, 07:21 PM

Quote:

Originally Posted by DIGItonium

Sick... I think I'm fine with 400whp at 6 PSI, but would love to bump it up to about 8 PSI. This is still 91 octane. I don't think my motor sees more than 4-5 PSI peak on average.

Vinny, even with the gears getting stuck are you able to shift at high RPM? I kept scratching getting into 2nd. It literally won't get in. Not sure about post adjustment, though... even with 1st/R being a bit tough it's fine on a roll.

1st to 2nd isn't usually a problem for me, although when I'm shifting at high rpm I usually put a decent amount of power behind the shift. It is a bit difficult to go into second sometimes at 2.5-3k rpm, though, but it just needs an extra little push. The main problem is 1st and R. When I start it up cold, there's no way to get it into 1st or R without putting it (forcing it) into 3rd a few times. (I say 3rd because that's what I use, but 4-5-6 work also). From a roll it's lett difficult, but still a hassle.

Joe@ZSpeed · 11-10-2011, 07:38 PM

Quote:

Originally Posted by Vinny

Yeah, I bought the clutch and the HD CSC through you guys about 9-10 months ago.
So am I correct in assuming that the clutch will be able to hold up to the 500-540 lbs that I'm shooting for?

Even with the lighter pressure plate I have seen that clutch hold over 500 whp on the dyno.
If you can send me a little more info on yourself I will look it up and see what kit you actually got and clamp load and should be able to give you a better idea of what it will hold. The OFE will hold A lot of TQ.

DIGItonium · 11-10-2011, 09:07 PM

Quote:

Originally Posted by Vinny

1st to 2nd isn't usually a problem for me, although when I'm shifting at high rpm I usually put a decent amount of power behind the shift. It is a bit difficult to go into second sometimes at 2.5-3k rpm, though, but it just needs an extra little push. The main problem is 1st and R. When I start it up cold, there's no way to get it into 1st or R without putting it (forcing it) into 3rd a few times. (I say 3rd because that's what I use, but 4-5-6 work also). From a roll it's lett difficult, but still a hassle.

Yup I'm in the same boat with you. Yet, the car is still drivable. Pressure is good, engagement is consistent, and gear shift is mostly smooth once the car gets moving. So you notice you car moving when you get stuck getting in 1st and R? Notice how the car stops moving once you get in gear. O_o

JB-370z · 11-11-2011, 09:11 AM

Quote:

Originally Posted by Ron

JB u still with stock clutch?

Yes sir. Still rocking the stock clutch. Going 18k miles and strong with TT's

Quote:

Originally Posted by DIGItonium

Yup I'm in the same boat with you. Yet, the car is still drivable. Pressure is good, engagement is consistent, and gear shift is mostly smooth once the car gets moving. So you notice you car moving when you get stuck getting in 1st and R? Notice how the car stops moving once you get in gear. O_o

Do you have a short shifter? My buddy just traded his B&M in for a stock. He was grinding going into 2nd and had issues getting in and out of gears. Problem fixed.

DIGItonium · 11-11-2011, 10:51 AM

Quote:

Originally Posted by JB-370z

Do you have a short shifter? My buddy just traded his B&M in for a stock. He was grinding going into 2nd and had issues getting in and out of gears. Problem fixed.

Nope. Stock shifter.

Quote:

Originally Posted by Joe@ZSpeed

Digi, I will send you a new disk if you like first to keep the downtime less, Just send me back the old one when you get it out.

Thanks Joe. Sent you e-mail to get the process started. I pray this will fix it for good so I can enjoy daily driving again. Spent way too much on this car... haha.

Ron · 11-11-2011, 11:02 AM

I'm sure Joe will get you squared away. For future customers, here's is a quote posted by RCZ on why this happens and what to look for on the disc so you can know if you got the correct one. Other vendors might still be selling this design, if you get the clutch from Joe then you should be good:

Quote:

Originally Posted by RCZ

...Another update on my clutch disaster:
Looks like the issue was caused by Southbend in the first place. Apparently the stock hydraulic system in our cars is absolute garbage. Its extremely weak. Some of the older 370z Southbend clutches have whats called a "marcel" which is a wave spring that gets sandwiched in between the pressure plate and disc...this was fine for the 350Z clutch (which is what Southbend uses on the 370Z) because it had a longer throw and therefore there would be enough gap for the marcel not to drag. Our cars have a shorter throw and that causes this clutch marcel to stay in contact even with the clutch fully pressed in/disengaged.

I bought my clutch from Concept Z Performance, who had NO IDEA about what I'm talking about. I tried explaining but they didnt get it. All the new 370z southbend clutches have had this marcel removed so they assume I got one of the early ones (about 10 months ago) which still had the marcel in it.

As you can imagine, my shifter is super notchy and has trouble going into first gear from a stand still. So because neither of these two companies wants to own up to their mistake, I will be pulling my transmission off for the 4th time and the car will have to be at the shop while we send southbend my clutch so they can test it out and remove the marcel. ...

Also thanks to JOE from Z Speed for helping us with the CORRECT information about this, he was the one that found the problem some 10 months ago and the reason why it hasn't happened to anyone else.

DIGItonium · 11-11-2011, 11:34 AM

Oh that's news to me. I really hope this will fix the issues and that my gearbox hasn't suffered any major damage from over 3k miles of driving and forcing the gear lever in place.

Joe@ZSpeed · 11-11-2011, 04:23 PM

Quote:

Originally Posted by DIGItonium

Oh that's news to me. I really hope this will fix the issues and that my gearbox hasn't suffered any major damage from over 3k miles of driving and forcing the gear lever in place.

That's what I tried to explain to you on the phone. When the clutch is fully engaged meaning foot off the pedal the marcel is collapsed by the pressure plate squeezing it, When you push the clutch the marcel expands as you release the clutch, too much and it will not let the clutch fully release.

DIGItonium · 11-12-2011, 12:04 AM

Quote:

Originally Posted by Joe@ZSpeed

That's what I tried to explain to you on the phone. When the clutch is fully engaged meaning foot off the pedal the marcel is collapsed by the pressure plate squeezing it, When you push the clutch the marcel expands as you release the clutch, too much and it will not let the clutch fully release.

Oh yea, I remember the marcel. I never seen it in pictures from RCZ's post, so it was news to me on that one.

DIGItonium · 05-20-2012, 04:50 PM

Finally an update to my build thread (Phase 2). Since the last update the clutch disk was replaced with a ceramic face. Then the transmission needed replacement when the gears started grinding. So with all of that out of the way everything's great. I can finally shift with ease.

The Hallman RX MBC was installed, so response is much better now. The car just feels and sounds so good right now.

In the near future, I will probably make the switch to the 3" Fast Intentions exhaust system. The last change, if possible, is the GTM R35 lower manifold. Of course, I may end up getting it tuned with these changes. That will be Phase 3.

11-10-2011, 05:55 PM	#136 (permalink)
Ron A True Z Fanatic Join Date: Oct 2010 Location: Houston, TX Posts: 3,009 Drives: TT '11 PW Nismo #113 Rep Power: 21	^^ __________________ 2011 Twin Turbo PW nismo #113 - My Journal - My TT Build Thread [ GTM GTX Stg2 TT \|\| HKS EVC6 \|\| Custom CarPC \|\| F.I 3'' TDX CBE \|\| SB 6puck clutch/ZSpeed CSC \|\| BC BR Coilovers \|\| SPC camber arms \|\| Work VSS-X \|\| Custom Headlights \|\| PW:JDM CF Covers \|\| Seibon CF Engine Cover ]

11-10-2011, 06:11 PM	#138 (permalink)
Ron A True Z Fanatic Join Date: Oct 2010 Location: Houston, TX Posts: 3,009 Drives: TT '11 PW Nismo #113 Rep Power: 21	JB u still with stock clutch? __________________ 2011 Twin Turbo PW nismo #113 - My Journal - My TT Build Thread [ GTM GTX Stg2 TT \|\| HKS EVC6 \|\| Custom CarPC \|\| F.I 3'' TDX CBE \|\| SB 6puck clutch/ZSpeed CSC \|\| BC BR Coilovers \|\| SPC camber arms \|\| Work VSS-X \|\| Custom Headlights \|\| PW:JDM CF Covers \|\| Seibon CF Engine Cover ]

11-11-2011, 11:34 AM	#147 (permalink)
DIGItonium A True Z Fanatic Join Date: Jan 2009 Location: Kansas Posts: 3,800 Drives: 09 Z34-TT 6MT Rep Power: 42	Oh that's news to me. I really hope this will fix the issues and that my gearbox hasn't suffered any major damage from over 3k miles of driving and forcing the gear lever in place. __________________

05-20-2012, 04:50 PM	#150 (permalink)
DIGItonium A True Z Fanatic Join Date: Jan 2009 Location: Kansas Posts: 3,800 Drives: 09 Z34-TT 6MT Rep Power: 42	Finally an update to my build thread (Phase 2). Since the last update the clutch disk was replaced with a ceramic face. Then the transmission needed replacement when the gears started grinding. So with all of that out of the way everything's great. I can finally shift with ease. The Hallman RX MBC was installed, so response is much better now. The car just feels and sounds so good right now. In the near future, I will probably make the switch to the 3" Fast Intentions exhaust system. The last change, if possible, is the GTM R35 lower manifold. Of course, I may end up getting it tuned with these changes. That will be Phase 3. __________________

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11-10-2011, 07:10 PM	#139 (permalink)
weiboy718 Track Member Join Date: May 2010 Location: Bay Area Posts: 923 Drives: Infiniti G37 Rep Power: 16	Can it be your clutch still in the breakin process? I'm running the SB TRZ clutch mated with their steel fly and I have no issues other than a slight screech noise during engaging 1st. No issues going into gear either and it is getting better the more I drive it