Manual Trans Oil Cooler

justin_boy · 02-24-2021, 03:25 PM

okay guys, changed the diff fluid and it was boiled. Now my question is, after the first day i noticed the smell, i did another 8 sessions the week after. did i possibly ruin the stock nismo diff using the redline 75w90 and running that mf? just put 140 weight as per specialty z

Spooler · 02-24-2021, 03:32 PM

You didn't ruin it. It already sucked. LOL If it got low enough on oil to get a bearing, you would already know. It would be very noisey and whine like crazy. If you are not experiencing that, you are good to go for now. You need a diff cooler or it will happen again.

justin_boy · 02-24-2021, 04:14 PM

Quote:

Originally Posted by Spooler

You didn't ruin it. It already sucked. LOL If it got low enough on oil to get a bearing, you would already know. It would be very noisey and whine like crazy. If you are not experiencing that, you are good to go for now. You need a diff cooler or it will happen again.

haha gotcha, thank you for the heads up and the info. ive been planning on a 1.5 os giken. also been considering a quaife. going to do all bushings/brace/finned cover and cooler at the same time. just need to decide on which diff

Spooler · 02-24-2021, 04:48 PM

Quote:

Originally Posted by justin_boy

haha gotcha, thank you for the heads up and the info. ive been planning on a 1.5 os giken. also been considering a quaife. going to do all bushings/brace/finned cover and cooler at the same time. just need to decide on which diff

Don't forget the Wavetrac. It is a nice diff also. You don't need a finned cover if you do the diff cooler.

justin_boy · 02-24-2021, 04:49 PM

Quote:

Originally Posted by Spooler

Don't forget the Wavetrac. It is a nice diff also.

haha great another in the mix. ive heard mixed things from e46 guys about the wavetrac.

i looked into changing the gearing but having a 2019 nismo dont I already have the 3.9?

Hotrodz · 02-24-2021, 06:04 PM

Quote:

Originally Posted by justin_boy

haha great another in the mix. ive heard mixed things from e46 guys about the wavetrac.

i looked into changing the gearing but having a 2019 nismo dont I already have the 3.9?

LMAO, that is a problem, listening to Bimmer Boys! I ran a Wavetrac with know issues and good results.

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02-24-2021, 03:25 PM	#1 (permalink)
justin_boy Track Member Join Date: May 2015 Location: woodland hills Posts: 600 Drives: z34 Rep Power: 8369	okay guys, changed the diff fluid and it was boiled. Now my question is, after the first day i noticed the smell, i did another 8 sessions the week after. did i possibly ruin the stock nismo diff using the redline 75w90 and running that mf? just put 140 weight as per specialty z

02-24-2021, 03:32 PM	#2 (permalink)
Spooler A True Z Fanatic Join Date: Jun 2014 Location: Ga Posts: 14,175 Drives: 2013 Nismo 370z Rep Power: 2684395	You didn't ruin it. It already sucked. LOL If it got low enough on oil to get a bearing, you would already know. It would be very noisey and whine like crazy. If you are not experiencing that, you are good to go for now. You need a diff cooler or it will happen again.