CASTROL oil for tranny/diff

40 to 332 · 12-06-2020, 10:36 AM

The Motul Gear 300 75W-90 meets both the API GL4 and GL5 standards. I've been running the Gear 300 in the transmission and the Gear 300 LS in the differential without issue for a number of years. It's probably overkill for a DD, but it provides ease of mind. The 75W-90 viscosity is fine IMHO.

brainrain · 12-06-2020, 11:05 AM

Quote:

Originally Posted by 40 to 332

The Motul Gear 300 75W-90 meets both the API GL4 and GL5 standards. I've been running the Gear 300 in the transmission and the Gear 300 LS in the differential without issue for a number of years. It's probably overkill for a DD, but it provides ease of mind. The 75W-90 viscosity is fine IMHO.

what does 'DD' mean ? please.
I don't understand English well

There is a debate on the French forums for the use of the motul gear 300 for tranny. People strongly advise against Motul gear 300 it because of the GL4 / GL5 mention.
I trust this forum the370 more than french forum, we have very few nissan 370z. People living on the North American have more experience on japan cars.

But I don't use motul for tranny because it will be difficult to sell later if I use this oil

If 75W90 viscosity is Ok, I will try Castol oil for trann (unless the redline MT85 will be back)

ZoomZ · 12-06-2020, 12:13 PM

Quote:

Originally Posted by brainrain

what does 'DD' mean ? please.
I don't understand English well

There is a debate on the French forums for the use of the motul gear 300 for tranny. People strongly advise against Motul gear 300 it because of the GL4 / GL5 mention.
I trust this forum the370 more than french forum, we have very few nissan 370z. People living on the North American have more experience on japan cars.

But I don't use motul for tranny because it will be difficult to sell later if I use this oil

If 75W90 viscosity is Ok, I will try Castol oil for trann (unless the redline MT85 will be back)

How about Nissan dealership? Just get Nissan fluids.

DD stands for Daily Driver

There is also Liqui-Moli: https://www.liqui-moly.com/en/servic...766dec7b7b72c/

12-06-2020, 10:36 AM	#1 (permalink)
40 to 332 Enthusiast Member Join Date: Apr 2013 Location: Kimberley, BC, CANADA Posts: 458 Drives: 13 370Z BS M6 Sport Rep Power: 441	The Motul Gear 300 75W-90 meets both the API GL4 and GL5 standards. I've been running the Gear 300 in the transmission and the Gear 300 LS in the differential without issue for a number of years. It's probably overkill for a DD, but it provides ease of mind. The 75W-90 viscosity is fine IMHO. JARblue, brainrain and SwedeZ like this.

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
6MT Tranny/Rear Diff. Question	vtec to vvel	Engine & Drivetrain	9	04-23-2019 09:08 PM
Castrol 0w30 no longer GERMAN castrol	GZ3	Engine & Drivetrain	23	12-01-2016 09:23 PM
who makes 1.5 way diff for auto tranny?	WWJD	Track / Autocross / Drifting / Dragstrip	4	08-23-2011 07:03 PM
What kind of redline in ur Tranny and DIff?..	G37sHKS	Nissan 370Z General Discussions	5	04-17-2010 01:18 PM
Service Manual, Diff/Tranny bolt torque	spearfish25	Nissan 370Z General Discussions	4	08-09-2009 12:08 PM