Quote:
Originally Posted by cody
Hmm, I thought since it didn't have slip modifiers it was okay. I know the 75w90 is way too slippery (much like mobil-1). I'll go Shockproof LW though. I've heard tons of good reviews in the 5spd box.
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The "ns" means "don't use this in a rear LSD that needs a slip modifier", which normally also means "this is okay for your gearbox". The problem is that the Subaru 5MTs are finicky to begin with, and the stuff is just too slippery for the synchros to grab, so they take forever to sync and you end up either grinding gears or are just not able to get into 1st at anything faster than a complete stop.
I tried the RL 75w80ns before and hated it... within a week, I had dumped it in favor of a 50/50 blend of 75w90ns and Shockproof LW... then later just started running the LW shockproof 100%, even in my 6MT.