I never had a issue with the oil weight in winter. I wouldn't take it out below 45 degrees anyway because I didn't want the body panels cracking. Not that it really matters but I also use a royal purple product. Also might be important to note that I use an altrax with a speed pot so starting isn't as rough as it was before.
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-------- Original message --------
From: "Dave Brice dbrice3721@... [C-Car]" <C-Car@...>
Date: 6/9/19 7:56 PM (GMT-05:00)
To: C-Car@...
Subject: Re: [C-Car] Re: Oil volume for rear differential.
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On my Dana I used 75 90. In the winter it might benefit from a thinner oil. But I'm not changing it seasonally.?
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Oh I forgot to add, I could not find a 90 weight oil anywhere so I used a 75w 90. Out of curiosity what do you guys use? I have heard some people put a lower weight in there for better range.
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-------- Original message --------
Date: 6/9/19 7:49 PM (GMT-05:00)
Subject: [C-Car] Re: Oil volume for rear differential.
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In my manual it says Use SAE 90 EP.? Apx 11 oz
Bart