# HELP! Which LSD fluid? **URL:** \ **Category:** SON240sx Automotive\ **Created:** [April 30, 2007, 2:26pm UTC](https://forums.speedlife.net/t/help-which-lsd-fluid/106105 "2007-04-30T14:26:05Z")\ **Posts on this page:** 12\ **Page:** 1
**Author:** ![JDM\_S14\_Silvia](https://avatars.discourse-cdn.com/v4/letter/j/bb73d2/32.png) [@JDM\_S14\_Silvia](https://forums.speedlife.net/u/JDM_S14_Silvia)\ **Post date:** [April 30, 2007, 2:26pm UTC](https://forums.speedlife.net/t/help-which-lsd-fluid/106105/1 "2007-04-30T14:26:05Z")
I’m changing the fluid for my Tomei 2-way LSD, I was looking for Motul 90 PA, but no1 locally has it availible. What else is comparable? is Motul gear 300 usable? how about the redline stuff? what should I use if i go with other brands like redline? TIA! ---
**Author:** ![JDM\_S14\_Silvia](https://avatars.discourse-cdn.com/v4/letter/j/bb73d2/32.png) [@JDM\_S14\_Silvia](https://forums.speedlife.net/u/JDM_S14_Silvia)\ **Post date:** [April 30, 2007, 2:26pm UTC](https://forums.speedlife.net/t/help-which-lsd-fluid/106105/2 "2007-04-30T14:26:05Z")
I’m changing the fluid for my Tomei 2-way LSD, I was looking for Motul 90 PA, but no1 locally has it availible. What else is comparable? is Motul gear 300 usable? how about the redline stuff? what should I use if i go with other brands like redline? TIA! ---
**Author:** ![Lith](https://avatars.discourse-cdn.com/v4/letter/l/fbc32d/32.png) [@Lith](https://forums.speedlife.net/u/Lith)\ **Post date:** [April 30, 2007, 5:17pm UTC](https://forums.speedlife.net/t/help-which-lsd-fluid/106105/3 "2007-04-30T17:17:42Z")
Tomei recommends 80W-90 (API GL-5 rated) oil. Buy anything that matches that. Just make sure you don’t buy anything synthetic. edit: usually that type of oil is classified as gear oil. So you will probably have some luck buying it a transmission place. They should have Valvoline, Amsoil, Castrol, etc… edit2: that Motul Gear 300 you mentioned wouldn’t be a good replacement. It’s 75W-90 plus it’s "100% Ester Based Synthetic"oil… whatever that means 🙂 ---
**Author:** ![240sx](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/240sx/32/5592_2.png) [@240sx](https://forums.speedlife.net/u/240sx)\ **Post date:** [April 30, 2007, 5:38pm UTC](https://forums.speedlife.net/t/help-which-lsd-fluid/106105/4 "2007-04-30T17:38:25Z")
i just changed my diff and put new royal purple diff fluid like 30 bucks with with dodge diff additive its about 8 bucks for the bottle go to dodge parts counter ask for it. works good so far. ---
**Author:** ![Lucas180](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/lucas180/32/5556_2.png) [@Lucas180](https://forums.speedlife.net/u/Lucas180)\ **Post date:** [April 30, 2007, 7:55pm UTC](https://forums.speedlife.net/t/help-which-lsd-fluid/106105/5 "2007-04-30T19:55:04Z")
why not run sinthetic in the differential ? ---
**Author:** ![robbbby](https://avatars.discourse-cdn.com/v4/letter/r/b19c9b/32.png) [@robbbby](https://forums.speedlife.net/u/robbbby)\ **Post date:** [May 1, 2007, 3:27am UTC](https://forums.speedlife.net/t/help-which-lsd-fluid/106105/6 "2007-05-01T03:27:11Z")
I put royal purple in mine. Nissan dealership sells a synthetic and non synthetic gear oil that they use in their vehicles with an lds. ---
**Author:** ![Theo23](https://avatars.discourse-cdn.com/v4/letter/t/43a26b/32.png) [@Theo23](https://forums.speedlife.net/u/Theo23)\ **Post date:** [May 1, 2007, 11:53am UTC](https://forums.speedlife.net/t/help-which-lsd-fluid/106105/7 "2007-05-01T11:53:05Z")
I just stopped by Ford and picked up some friction modifier additive for my Tomei, still haven’t picked up the oil, but that will be regular GL-5 NON-synthetic as recommended. Synthetic is ok to use in your factory VLSD but NOT OK in most clutch type LSD’s ---
**Author:** ![Lucas180](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/lucas180/32/5556_2.png) [@Lucas180](https://forums.speedlife.net/u/Lucas180)\ **Post date:** [May 1, 2007, 12:59pm UTC](https://forums.speedlife.net/t/help-which-lsd-fluid/106105/8 "2007-05-01T12:59:41Z")
I just had mine changed to synthetic,+ fluid for the LSD mix…i am not sure of the brands becasue the transmission place did it with the 5 speed swap… whats bad about sinthetic in the LSD? i thought it was the best way to go thats kinda why i asked them to do it …hmmm My car is just stock VSLD …so i guess this is ok.? ---
**Author:** ![Lith](https://avatars.discourse-cdn.com/v4/letter/l/fbc32d/32.png) [@Lith](https://forums.speedlife.net/u/Lith)\ **Post date:** [May 1, 2007, 6:00pm UTC](https://forums.speedlife.net/t/help-which-lsd-fluid/106105/9 "2007-05-01T18:00:31Z")
This is straight from KAAZ website (FAQ section) "What type of gear oil should I use for my Kaaz Limited Slip Differential ( LSD ) ? KAAZ “PowerTrain Gear Oil” has been specially blended to remove chatter and extend the LSDs life. All-synthetic gear oils should be avoided as they will make the LSD, more noisy in operation." [http://www.kaazuk.com/faq.php](http://www.kaazuk.com/faq.php) ---
**Author:** ![240sx](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/240sx/32/5592_2.png) [@240sx](https://forums.speedlife.net/u/240sx)\ **Post date:** [May 2, 2007, 12:24pm UTC](https://forums.speedlife.net/t/help-which-lsd-fluid/106105/10 "2007-05-02T12:24:11Z")
what about royal purple ---
**Author:** ![Eggman](https://avatars.discourse-cdn.com/v4/letter/e/e99b99/32.png) [@Eggman](https://forums.speedlife.net/u/Eggman)\ **Post date:** [May 2, 2007, 12:28pm UTC](https://forums.speedlife.net/t/help-which-lsd-fluid/106105/11 "2007-05-02T12:28:30Z")
I am sure they have the Motul locally, the distributor is right by Steeles and Woodbine. I think Gilman Auto or N1 Auto is one of their retailer. I am using the Motul LSD oil in my diff. ---
**Author:** ![Kick\_Ass\_Matt](https://avatars.discourse-cdn.com/v4/letter/k/ac8455/32.png) [@Kick\_Ass\_Matt](https://forums.speedlife.net/u/Kick_Ass_Matt)\ **Post date:** [May 2, 2007, 12:50pm UTC](https://forums.speedlife.net/t/help-which-lsd-fluid/106105/12 "2007-05-02T12:50:19Z")
Just as long as whatever you use meets the GL-XX rating then it’ll be good. The oil weight is another issue all by itself.