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NISTECH »
https://forums.nicoclub.com/nistech-u7581.html
Wed Jul 14, 2004 9:37 am
I am not 100% sure if this applies to an 89 I only have manuals back to 93, but on the label at the right rear of the engine compartment along the fire wall there should be the identification of all the power train id's on the line labeld axle on the 93 it has 2 different diffs available a 200 and a 200V, it should identify that on the label the V is the lsd diff.