Thread: Difference between 75-90 and 90-140
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Old 03-15-2014, 01:08 PM   #4 (permalink)
nemo
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Join Date: Nov 2010
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Chief - '06 Pontiac Grand Prix
90 day: 26.7 mpg (US)

SF1 - '12 Ford Fiesta S
90 day: 30.95 mpg (US)
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Fords recommendation for

99 Ford F-150

Rear Axle Lubricant
Motorcraft Synthetic SAE 75W140

Front axle (4X4)
Motorcraft SAE 75W90
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