Thread: Rear end fluid.
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Old 06-04-2009, 05:47 PM   #21
sab123
 
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Quote:
Originally Posted by EchoMirage View Post
i prefer amsoil severe gear 75w90. it doesnt need an LSD additive. if you want, you can not use the additive, and it will tighten up your diff some. people have road raced for years without the additive, and have had no ill effects. try redlines line of NS fluids....as in non-synthetic, and without the friction modifier.
It depends on the type of limited slip. Torsen says that their doesn't need the additive but when I didn't put it in, I've had one wheel spinning a lot. Ever since I use the Redline 75w90 that already has the additive in it.
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