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80-90 Or 80/90-140 Lsd Or Non-lsd

ClutchBurndout-:(
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ClutchBurndout-:( Grand Master

ClutchBurndout-:(

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hey guys, what oil should i put in my diff? its in an R33gtst, should i use the 80-90 or the thicker 80/90-140? (not sure if its 80-140 or 90-140) also, should i use normal diff oil as apposed to LSD oil? as i beleive the diffs are VLSD and dont necessarily needs LSD oil

any help is apreaciated

cheers

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ClutchBurndout-:( Grand Master

ClutchBurndout-:(

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Posted
80-140 i would use on a track car, 80-90 for a street/track car. Nissan specifies 80-90 for japanese conditions iirc for rear LSDs

whats iirc? and is that an lsd fluid or normal?

S1LV3RTRACKS Community Regular

S1LV3RTRACKS

Posted
Posted
mines a VLSD, would it need special lsd oil or standard gear oil?

Flushed and filled the LSD on both my 33's a couple of days ago with Castrol SAF-XA 80w-140 Full Synthetic Limited Slip Rear Axle Oil. No complaints so far and was told it’s a good oil. I’ve heard that if you have the limited slip diff, you must put LSD oil in or it will not work correctly but you can put LSD oil in non LSDs.

Birds Grand Master

Birds

Posted
Posted

Run everyday 80w90 in your standard R33 GTS-T diff, mineral or synthetic. This will be fine unless it sees alot of track work - in which case you might want an 85w140 or similar. Note that you do not need to use a limited slip oil in a viscous LSD as a viscous LSD uses its own unservicable fluid inside the diff centre to operate. However, using limited slip oil will not do it any harm (aside from most mineral limited slip oils being a monograde 90 - non existent viscosity range).

Only mechanical diffs requires limited slip oil with anti-chatter additives.

ClutchBurndout-:( Grand Master

ClutchBurndout-:(

Posted
  • Author
Posted
Run everyday 80w90 in your standard R33 GTS-T diff, mineral or synthetic. This will be fine unless it sees alot of track work - in which case you might want an 85w140 or similar. Note that you do not need to use a limited slip oil in a viscous LSD as a viscous LSD uses its own unservicable fluid inside the diff centre to operate. However, using limited slip oil will not do it any harm (aside from most mineral limited slip oils being a monograde 90 - non existent viscosity range).

Only mechanical diffs requires limited slip oil with anti-chatter additives.

well i have put an anti chatter aditive in and its still grinding or "chatting" when turning, i cant for the life of me figure out whats wrong with it!

Birds Grand Master

Birds

Posted
Posted

Did you read what I wrote mate? lol :(

You have a viscous diff, it does not need anti chatter additive...hence when you put it in it did nothing :D

Could be a manner of things wrong with it...these are use once and throw away diffs. Buy another one off eBay or put in a proper LSD.

Birds Grand Master

Birds

Posted
Posted

lol do not trust many second hand items on eBay unless it's a solid state business with some impeccable feedback. Great nick is also a subjective use term haha. The plus to it is, if you choose to go with a decent LSD...you can get the centre installed in your spare diff housing while your car is still on the road...that's if you kept the old diff :D

Moodles2 Grand Master

Moodles2

Posted
Posted

Try Castrol SAF-XA out, if the LSD starts to behave strangly and locks up around a roundabout or in carparks (I heard it happening with Redline Shockproof in the diff, not sure if it was the grade 90w-140 or the fluid itself), just dump the fluid and go a different one.

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