Thread: Red rear end lube tag "limited Slip"
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Old 03-29-2019, 02:24 AM
MJV1953 MJV1953 is offline
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I believe this is when GM used the different variations of the red plastic tag.

66-69 = USE POSITRACTION DIFF LUBRICANT ONLY
70 on up = USE LIMITED SLIP DIFF LUBRICANT ONLY.
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