Nissan 370Z Forum
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Nissan 370Z Forum (http://www.the370z.com/)
-   Engine & Drivetrain (http://www.the370z.com/engine-drivetrain/)
-   -   Built Manual Transmission (http://www.the370z.com/engine-drivetrain/53267-built-manual-transmission.html)

sniper5431 04-23-2017 12:44 AM
Subscribed. 5th gear is grinding on shift

Ccarver 04-23-2017 05:20 AM
Quote:
Originally Posted by sniper5431 (Post 3644191)
Subscribed. 5th gear is grinding on shift


https://uploads.tapatalk-cdn.com/201...596e41894d.jpg This is what it will look like.




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QB333 07-18-2017 02:28 PM
Well.....my 5th started grinding at the track this weekend. Any more info or options?

zguynate 07-20-2017 04:22 PM
Im also interested in this Carver. Whats up? Any new information?

Ccarver 07-21-2017 11:01 PM
Chad had been beating on his for a couple of months now. I can offer race/track ready rebuilds if there is interest.


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zguynate 07-21-2017 11:02 PM
Out of curiosity what all does that consist of?


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RN SHARK 07-22-2017 02:48 AM
Cost?

Ccarver 07-23-2017 07:33 PM
Quote:
Originally Posted by dragonbreath (Post 3677343)
Out of curiosity what all does that consist of?


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What I have seen on even OEM units is the clearances are all over the place. First step I take is to measure and blueprint all the parts and replace any out of Spec. I am working on a supplier of Carbon lined syncros for 5/6 gears. I have built several units with tighter clearances using shims or machining to set proper clearances. Increased detention in the shift rails, and spending the time it takes to assemble all of the parts so that the unit is tight and aligned to handle the abuse of racing or track days. All new seals, bearings are check for run out. I also have been testing with micro polishes on the gear surfaces to improve fluid flow and abrasion resistance.


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zguynate 07-23-2017 08:59 PM
What do you charge for this service?


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Ccarver 07-23-2017 10:17 PM
Quote:
Originally Posted by dragonbreath (Post 3677889)
What do you charge for this service?


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Parts and labor on a rebuildable unit is around 2k. Very hard sale when a new box is 1600-1800 depending on your hook up.


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lj909 07-24-2017 01:13 AM
Would you be able to change the ratio of 6th gear alone? To something lower. So you could keep the close gears for normal driving then have 6th for freeway cruising at something like 2500-2700 rpm at 80-85mph?

JARblue 07-24-2017 07:59 AM
Quote:
Originally Posted by Ccarver (Post 3677913)
Parts and labor on a rebuildable unit is around 2k. Very hard sale when a new box is 1600-1800 depending on your hook up.
This is understandable simply based on pricing. But when you consider the information you just posted regarding tolerances found on stock units, it seems like a no-brainer to build it properly for a few extra bucks than to buy a new stock unit. Just my :twocents:

Btalont 07-25-2017 12:48 PM
:iagree:

Ccarver 07-28-2017 10:22 PM
Quote:
Originally Posted by lj909 (Post 3677930)
Would you be able to change the ratio of 6th gear alone? To something lower. So you could keep the close gears for normal driving then have 6th for freeway cruising at something like 2500-2700 rpm at 80-85mph?


https://uploads.tapatalk-cdn.com/201...206880ea56.jpg
I would have to find some donor gears but I have done it before.



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1slow370 07-30-2017 11:37 AM
is there an option to weld third gear? at higher levels of power the brazing breaks loose.


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