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The Terminator
Driveline
What oil do you use in your rearend
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<blockquote data-quote="JB" data-source="post: 6457368" data-attributes="member: 3991"><p>don't use 80W-90</p><p></p><p>it uses 1.45 quarts of 75W-140 synthetic gear lube (GL-5 rated) with a bottle (4 oz.) of Motorcraft XL-7 friction modifier</p><p></p><p>1.45 is a new fill spec; a refill after draining should be done as follows:</p><p>Fill 6 mm to 14 mm (1/4 inch to 9/16 inch) below bottom of fill hole.</p><p></p><p>always add the FM first (after shaking bottle for a minute to suspend the additives)</p><p></p><p></p><p>the only lower viscosity I would use would be 75W-110, which is available from some specialty syn companies like Amsoil</p><p></p><p>.</p></blockquote><p></p>
[QUOTE="JB, post: 6457368, member: 3991"] don't use 80W-90 it uses 1.45 quarts of 75W-140 synthetic gear lube (GL-5 rated) with a bottle (4 oz.) of Motorcraft XL-7 friction modifier 1.45 is a new fill spec; a refill after draining should be done as follows: Fill 6 mm to 14 mm (1/4 inch to 9/16 inch) below bottom of fill hole. always add the FM first (after shaking bottle for a minute to suspend the additives) the only lower viscosity I would use would be 75W-110, which is available from some specialty syn companies like Amsoil . [/QUOTE]
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What oil do you use in your rearend
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