What's my rear end?

Old 10-11-2007, 09:42 AM
Fard is offline
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What's my rear end?

1999 E-250 5.4 Lookin to add synthetic to my diff but want to know where i find out which one it is as there are two weights of oil? THX
Old 10-11-2007, 02:58 PM
aurgathor is offline
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If the two weights are 80w90 and 75w140, you could use 75w140 in either case.

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