How do I know its NISMO ?

kenney255 · 03-03-2021, 08:51 AM

Hey guys , Im looking at buying a used carrier case and its claimed to be out of a 2016 Nismo 370 . Just wondering if theres any way of ensuring its a Nismo diff as the main purpose of the swap is the 3.96 gears and VLSD . a little upgrade from my open base diff.

Im thinking vin number maybe? Also this is in canada

Thanks

SouthArk370Z · 03-03-2021, 10:39 AM

If nobody comes up with an answer, the FSM (link in my sig) probably can tell you the differences between rear ends. Plenty of drawings.

Spec Jay · 03-03-2021, 08:17 PM

Easiest way is to pop open the diff cover and if you see exposed spider gears its open.

kenney255 · 03-04-2021, 12:54 PM

That would tell me its a VLSD but not the 3.9 .... followed up with the guy and he seems legit

JARblue · 03-04-2021, 03:31 PM

Unfortunately, this is an easy scam. Even if the guy sounds legit. Caveat emptor

Gear Ratio is the number of revolutions a driving (pinion) gear requires to turn a driven (ring) gear through one complete revolution.

So you'll have to open up the diff and then turn the input shaft and see how many revolutions it takes to make one complete turn of the axle shaft.

370zBLAST · 05-12-2021, 10:27 PM

To my knowledge 2015 is the only year that came 3.92 gear ratio with the nismo. And to determine if its vlsd spin the axle flange, if both spin...its lsd, if its just one its open.

Going back to the 3.90 gear ratio, i was doing tons of research and searching for one, but couldn't justify 900 bucks! Settled for 2012 sport 3.69...love it!

Sent from my Pixel 4 XL using Tapatalk

Cyber370 · 05-13-2021, 12:04 PM

Quote:

Originally Posted by 370zBLAST

To my knowledge 2015 is the only year that came 3.90 gear ratio with the nismo.

Incorrect. All 2015 and later Nismos came with the 3.92 gear ratio up to and including 2020.

370zBLAST · 05-13-2021, 12:41 PM

Quote:

Originally Posted by Cyber370

Incorrect. All 2015 and later Nismos came with the 3.92 gear ratio up to and including 2020.

Man everytime I was looking, i kept seeing it as a 15...thats really good to know!! but then again the chart i was looking at stopped at 2016.
Sent from my Pixel 4 XL using Tapatalk

03-03-2021, 08:51 AM	#1 (permalink)
kenney255 Base Member Join Date: Mar 2016 Location: canada Posts: 14 Drives: 16 nissan 370z Rep Power: 9	How do I know its NISMO ? Hey guys , Im looking at buying a used carrier case and its claimed to be out of a 2016 Nismo 370 . Just wondering if theres any way of ensuring its a Nismo diff as the main purpose of the swap is the 3.96 gears and VLSD . a little upgrade from my open base diff. Im thinking vin number maybe? Also this is in canada Thanks

03-03-2021, 10:39 AM	#2 (permalink)
SouthArk370Z Premium Member Join Date: Nov 2010 Location: South Arkansas Posts: 8,435 Drives: 2014 Challenger Rep Power: 324198	If nobody comes up with an answer, the FSM (link in my sig) probably can tell you the differences between rear ends. Plenty of drawings. __________________ Steering Lock Links - Search The370Z Bookmarklet - FSM @ NICOclub Mankind has progressed past the need for war but we haven't evolved that far. - NachoMahma

03-03-2021, 08:17 PM	#3 (permalink)
Spec Jay A True Z Fanatic Join Date: Apr 2009 Location: Bummerton Posts: 1,510 Drives: MtB 09 370z Rep Power: 19	Easiest way is to pop open the diff cover and if you see exposed spider gears its open. __________________ 09 Monterey Blue Global Time Attack Street Class Build Build Thread:Saber! Instagram:@SpecJay

03-04-2021, 03:31 PM	#5 (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	Unfortunately, this is an easy scam. Even if the guy sounds legit. Caveat emptor Gear Ratio is the number of revolutions a driving (pinion) gear requires to turn a driven (ring) gear through one complete revolution. So you'll have to open up the diff and then turn the input shaft and see how many revolutions it takes to make one complete turn of the axle shaft. FL 4Motion likes this. __________________ 2011 370Z 6MT Sport Gun Metallic \| ARC \| CJM \| Ecutek \| FI \| Fujimura \| R2C \| SPL \| Stillen \| TWM \| Z1 \| ZSpeed \|

05-12-2021, 10:27 PM	#6 (permalink)
370zBLAST Base Member Join Date: Feb 2014 Location: ct Posts: 247 Drives: 09 370z 6spd Rep Power: 11	To my knowledge 2015 is the only year that came 3.92 gear ratio with the nismo. And to determine if its vlsd spin the axle flange, if both spin...its lsd, if its just one its open. Going back to the 3.90 gear ratio, i was doing tons of research and searching for one, but couldn't justify 900 bucks! Settled for 2012 sport 3.69...love it! Sent from my Pixel 4 XL using Tapatalk Last edited by 370zBLAST; 05-13-2021 at 01:08 PM.

03-04-2021, 12:54 PM	#4 (permalink)
kenney255 Base Member Join Date: Mar 2016 Location: canada Posts: 14 Drives: 16 nissan 370z Rep Power: 9	That would tell me its a VLSD but not the 3.9 .... followed up with the guy and he seems legit

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