Does the Term "Hypoid Limited Slip" Pertain to NoN-Clutch Type Differentials?

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Apr 4, 2021
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I'm converting a Mopar 215mm Open differential internals to a Wavetrac LSD and they recommend avoiding friction modifiers.
I see two designations or label verbiages.

For Hypoid Limited Slip Differentials, and for Limited Slip. Wavetrac recommends a GL-5 and factory fill weight.

Does the Term "Hypoid Limited Slip" Pertain to NoN-Clutch Type Differentials?
 
Leave out hypoid part as I would guess all RWD drive cars use hypiod gear differentials and it seems the unit is what is called a torque sensining differential . It has worm gears instead of pinion gears in the differenial unit . Since it doesn't have clutches the fluid doesn't [want for proper operation] need to be friction modified for when the clutches apply there won't be grabbing or chatter
 
Thanks, I'm gonna play it safe I guess and go Motul 300 Gear Competition. I like Red Line due to experience in how it looks compared to others when I change it out. Red Line always looks almost untouched while others are darkened and gray-ish.
 
Thanks Guys, I found what I need.

75W90 NS GL-5 Gear Oil


75W90NS GL-5 Gear Oil​


  • Designed for transmissions and transaxles - helps to slow synchros for easier shifting across a broad temperature range
  • Popular in Ferrari, Porsche and Subaru transaxles
  • Muscle Car applications like Ford Top Loader, Muncie transmissions, Borg-Warner T-10 and Super T-10
  • Contains extreme pressure additives like our 75W90 GL-5 oil, but lacks friction modifiers to balance slipperiness
  • Improved copper corrosion protection to prolong synchro life
  • Helps with lock-up on weak limited-slip differentials-compatible with Red Line Limited Slip Friction Modifier for tuning slippage
  • Also used with clutch-type LSDs in racing for maximum lock up
  • Recommended for API GL-5, GL-6, MT-1, MIL-L-2105E and SAE J2360
  • Non corrosive formula, safe for use with all synchro materials
 
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