Nismo Differential upgrade

Spooler · 11-16-2020, 08:08 AM

I run the Z1 diff cover, OS Giken 1.5 way, Z1 poly diff mounts, and a modified Bellworks diff brace. My Subframe is solid mounted with Nismo/SPL subframe bushings. It's not bad or hard to deal with. No whining in the cabin. I hate that. That is why I have the poly mounts. I also run a diff cooler and that is a must have with a clutch diff. It is loud at a stop, driving you don't notice it so much. The Z1 cover you trim the bottom fins to clear.

NissanZ34 · 11-16-2020, 12:19 PM

Quote:

Originally Posted by Spooler

I run the Z1 diff cover, OS Giken 1.5 way, Z1 poly diff mounts, and a modified Bellworks diff brace. My Subframe is solid mounted with Nismo/SPL subframe bushings. It's not bad or hard to deal with. No whining in the cabin. I hate that. That is why I have the poly mounts. I also run a diff cooler and that is a must have with a clutch diff. It is loud at a stop, driving you don't notice it so much. The Z1 cover you trim the bottom fins to clear.

I have searched for the Nismo and the SPL subframe bushings. It appears that the Nismo kit includes shims for adjustment. The price is significantly higher than Z1 or SPL but since it can be ordered at the dealership I could then avoid paying for the shipping.

Do you have the solid or polyurethane transmission mounts and what are your motor mounts? What diff cooler would you recommend?

Spooler · 11-16-2020, 01:02 PM

Quote:

Originally Posted by NissanZ34

I have searched for the Nismo and the SPL subframe bushings. It appears that the Nismo kit includes shims for adjustment. The price is significantly higher than Z1 or SPL but since it can be ordered at the dealership I could then avoid paying for the shipping.

Do you have the solid or polyurethane transmission mounts and what are your motor mounts? What diff cooler would you recommend?

I run a stock transmission mount. Too damn noisy otherwise. I have CJ Motorsports motor mounts. They are noisy and have some vibrations. Once you are moving, you don't notice it. IF I had to do it again I might would go with the Z1 poly motor mounts.

-ZS-Carpenter · 11-16-2020, 03:41 PM

Quote:

Originally Posted by Spooler

I run a stock transmission mount. Too damn noisy otherwise. I have CJ Motorsports motor mounts. They are noisy and have some vibrations. Once you are moving, you don't notice it. IF I had to do it again I might would go with the Z1 poly motor mounts.

No extra noise with the Torque Solutions trans mount

Sent from my SM-G965U using Tapatalk

Spooler · 11-16-2020, 04:08 PM

Quote:

Originally Posted by -ZS-Carpenter

No extra noise with the Torque Solutions trans mount

Sent from my SM-G965U using Tapatalk

I will stay stock. I don't need to crack a block between the head studs and main studs.

Rusty · 11-16-2020, 05:49 PM

Quote:

Originally Posted by NissanZ34

I have searched for the Nismo and the SPL subframe bushings. It appears that the Nismo kit includes shims for adjustment. The price is significantly higher than Z1 or SPL but since it can be ordered at the dealership I could then avoid paying for the shipping.

Do you have the solid or polyurethane transmission mounts and what are your motor mounts? What diff cooler would you recommend?

The SPL and Nismo parts are one and the same. SPL makes the parts for Nismo. Then Nismo marks them up. The only difference between them is color and the Nismo items have Nismo on them.

NissanZ34 · 11-21-2020, 10:56 AM

Since one axle is to be changed in order to fit the Wavetrac diff I was wondering if upgrading the axles to the 1200hp Pro-Level axles worth the money? Do guys with 750hp turbo setups run the OEM axles?

11-16-2020, 08:08 AM	#1 (permalink)
Spooler A True Z Fanatic Join Date: Jun 2014 Location: Ga Posts: 14,126 Drives: 2013 Nismo 370z Rep Power: 2684394	I run the Z1 diff cover, OS Giken 1.5 way, Z1 poly diff mounts, and a modified Bellworks diff brace. My Subframe is solid mounted with Nismo/SPL subframe bushings. It's not bad or hard to deal with. No whining in the cabin. I hate that. That is why I have the poly mounts. I also run a diff cooler and that is a must have with a clutch diff. It is loud at a stop, driving you don't notice it so much. The Z1 cover you trim the bottom fins to clear. Last edited by Spooler; 11-16-2020 at 08:10 AM.

11-21-2020, 10:56 AM	#7 (permalink)
NissanZ34 Base Member Join Date: Jun 2019 Location: Canada Posts: 92 Drives: 2010 370z 6MT Rep Power: 7	Wavetrac Diff Since one axle is to be changed in order to fit the Wavetrac diff I was wondering if upgrading the axles to the 1200hp Pro-Level axles worth the money? Do guys with 750hp turbo setups run the OEM axles?

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