Built Manual Transmission

Ccarver · 07-31-2017, 09:46 AM

Quote:

Originally Posted by 1slow370

is there an option to weld third gear? at higher levels of power the brazing breaks loose.

I have not seen a broken one yet, but I would not hesitate the weld it and rebalance the assembly.

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Ccarver · 07-31-2017, 10:12 AM

Cdoxp800, what is the latest update on the unit in your car.

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1slow370 · 08-19-2017, 02:32 AM

Quote:

Originally Posted by Ccarver

I have not seen a broken one yet, but I would not hesitate the weld it and rebalance the assembly.

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that's great, yeah its about 700-750hp the brazing goes, had 2 or 3 old customers that had it happen at the strip. there used to be a gear shop in Australia that sold a laser welded replacement but it was almost $700 for the one gear/shaft.

kaliwraith · 10-23-2017, 12:22 PM

I've been getting grinding in 2nd gear and crunchy shifting in 3rd. Do you think a rebuild is a good option for me? This is my DD.

I changed my trans oil and differential oil this weekend to MT-85, still grinding, requires double clutch to shift smoothly.

R3drckt09 · 10-24-2017, 11:38 AM

So I read this whole thread but can't find where I can get a hold of these upgraded synchros? I've had my car for 4 years (been boosted for the last 3 years) and it's always scratched if I shift into 5th or 6th too quickly. I've just been living with it but I'd love to find a solution!

JARblue · 10-24-2017, 01:41 PM

Quote:

Originally Posted by R3drckt09

So I read this whole thread but can't find where I can get a hold of these upgraded synchros?

Reread Post #46

Rusty · 10-24-2017, 02:04 PM

Question. Is our manual tranny the same as in the 350Z?

JARblue · 10-24-2017, 02:13 PM

Doesn't look like it.
The 350Z MT part numbers start with 32010*****
The 370Z MT part numbers start with 320B0*****

cdoxp800 · 04-24-2018, 09:10 PM

Quote:

Originally Posted by Ccarver

Cdoxp800, what is the latest update on the unit in your car.

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Hey man. The Transmission has been doing GREAT. Been in just over a year now and number track days on it. Still feels very smooth in and out of gear.

I cannot thank you enough for the rebuild. It's been nice not having to worry about it now.

cdoxp800 · 04-24-2018, 09:17 PM

Quote:

Originally Posted by Rusty

Question. Is our manual tranny the same as in the 350Z?

From what I can tell they are the same inside. Both have the same gear ratios.

Gear ratio
1st 3.794
2nd 2.324
3rd 1.624
4th 1.271
5th 1.000
6th 0.794

Chrisc3 · 08-03-2019, 07:48 PM

I lost 5th and 6th. I need a rebuild. Any updates

scope22 · 08-03-2019, 11:17 PM

Seems like one person knows which are the correct syncros but they will not say

USMCram · 10-06-2019, 09:21 PM

Bumping this guy up. Have 5th gear grinds. Would like to get some more info.

Spooler · 10-06-2019, 09:34 PM

It would be nice to know if he has a forged (billet) input shaft for us boosted folks who break them.

Wezzley · 04-17-2020, 11:01 AM

Bumping this up.

I have my old transmission apart, lost 5th and 6th. Found the shift fork rod was completely sheared. A few gears were grinding prior. I put a brand new trans from Nissan in however I would like to build my old transmission for high power and reliability as this car is becoming a dedicated competitive drift car.

I have found ZERO information on where to get any upgraded internals available after reading through this entire thread. Some guy from Carver Motorsport or something like that?

10-23-2017, 12:22 PM	#94 (permalink)
kaliwraith Base Member Join Date: Jun 2016 Location: Austin, TX Posts: 34 Drives: 2012 370z Sport Rep Power: 9	I've been getting grinding in 2nd gear and crunchy shifting in 3rd. Do you think a rebuild is a good option for me? This is my DD. I changed my trans oil and differential oil this weekend to MT-85, still grinding, requires double clutch to shift smoothly. Last edited by kaliwraith; 10-23-2017 at 03:29 PM. Reason: added bit about trans oil

10-24-2017, 02:04 PM	#97 (permalink)
Rusty Ronin Samurai - Assassin Join Date: Dec 2011 Location: Fayettenam,Pennsyltucky Age: 68 Posts: 35,185 Drives: 2011 Nismo GM 6M Rep Power: 2684437	Question. Is our manual tranny the same as in the 350Z? __________________ 浪人 - 殺し屋 "The Difficult Anytime, The Impossible By Appointment Only" http://www.the370z.com/members-370z-...o-journal.html

10-24-2017, 02:13 PM	#98 (permalink)
JARblue A True Z Fanatic Join Date: Mar 2011 Location: Austin, TX Age: 43 Posts: 36,450 Drives: 11 Z34, 98 E36 M3 Rep Power: 2684440	Doesn't look like it. The 350Z MT part numbers start with 32010*** The 370Z MT part numbers start with 320B0*** __________________ 2011 370Z 6MT Sport Gun Metallic \| ARC \| CJM \| Ecutek \| FI \| Fujimura \| R2C \| SPL \| Stillen \| TWM \| Z1 \| ZSpeed \|

08-03-2019, 07:48 PM	#101 (permalink)
Chrisc3 Base Member Join Date: Nov 2014 Location: texas Posts: 123 Drives: 2009 370z white Rep Power: 10	I lost 5th and 6th. I need a rebuild. Any updates Last edited by Chrisc3; 08-03-2019 at 08:02 PM.

08-03-2019, 11:17 PM	#102 (permalink)
scope22 A True Z Fanatic Join Date: Apr 2012 Location: Roswell, GA Posts: 1,179 Drives: wife crazy Rep Power: 55	Seems like one person knows which are the correct syncros but they will not say Chrisc3 likes this.

07-31-2017, 10:12 AM	#92 (permalink)
Ccarver Base Member Join Date: Dec 2016 Location: Prairieville, LA Posts: 15 Drives: 93 240sx Rep Power: 8	Cdoxp800, what is the latest update on the unit in your car. Sent from my iPhone using Tapatalk

10-24-2017, 11:38 AM	#95 (permalink)
R3drckt09 Base Member Join Date: Jul 2013 Location: Texas Posts: 145 Drives: 09 Nissan 370Z Base Rep Power: 12	So I read this whole thread but can't find where I can get a hold of these upgraded synchros? I've had my car for 4 years (been boosted for the last 3 years) and it's always scratched if I shift into 5th or 6th too quickly. I've just been living with it but I'd love to find a solution!

10-06-2019, 09:21 PM	#103 (permalink)
USMCram Track Member Join Date: Oct 2011 Location: Texas Posts: 522 Drives: 2019 718 Cayman Rep Power: 3370	Bumping this guy up. Have 5th gear grinds. Would like to get some more info.

10-06-2019, 09:34 PM	#104 (permalink)
Spooler A True Z Fanatic Join Date: Jun 2014 Location: Ga Posts: 13,800 Drives: 2013 Nismo 370z Rep Power: 2684392	It would be nice to know if he has a forged (billet) input shaft for us boosted folks who break them. Rusty likes this.

04-17-2020, 11:01 AM	#105 (permalink)
Wezzley Base Member Join Date: Dec 2019 Location: Anaheim, CA Posts: 5 Drives: 10 Nissan 370Z Drift Rep Power: 5	Bumping this up. I have my old transmission apart, lost 5th and 6th. Found the shift fork rod was completely sheared. A few gears were grinding prior. I put a brand new trans from Nissan in however I would like to build my old transmission for high power and reliability as this car is becoming a dedicated competitive drift car. I have found ZERO information on where to get any upgraded internals available after reading through this entire thread. Some guy from Carver Motorsport or something like that? Chrisc3 likes this.

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