As far as I know there is just a friction modifier added for LSDs with the NS version. Other than that they are both GL-5 fluids (which is why you don't use them in your GL-4 tranny).
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'09 370Z - '93 300ZX Vert - '83 280ZX - '83 280ZXT -'81 280ZXT stroker - '72 240Z - Stillen CBE, HFC, G3, Grounding Kit, Sways // Swift Spring // H&R 15mm // 5% Tint // Clear Bra // 
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