Differential Lube Help
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Joined: Jul 2007
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From: Naperville Illinois
Differential Lube Help
Would appreciate it if anyone can advise me how much GM posi additive (4oz bottles) and GM rear end lube (23 oz bottles) to add to my '69 3:36 posi differential. Just had it rebuilt and need to refill it. I see differing results in the shop manual and two parties selling the lube/ additive.
Thanks in advance.
Hammer
Thanks in advance.
Hammer
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Joined: Jul 2007
Posts: 71
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From: Naperville Illinois
It doesn't look like two bottles will be enough fill it to the hole line, even with the additive. Is there a max amount the diff will hold?
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