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Old 03-07-2016, 07:40 PM   #29 (permalink)
101Volts
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Join Date: Dec 2012
Location: Pennsylvania
Posts: 506

Woody - '90 Mercury Grand Marquis Wagon LS
Last 3: 19.57 mpg (US)

Brick - '99 Chevrolet K2500 Suburban LS
Last 3: 12.94 mpg (US)

M. C. - '01 Chevrolet Impala Base
90 day: 18.73 mpg (US)

R. J. - '05 Ford Explorer 4wd
90 day: 16.66 mpg (US)
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Today, at 231,668 (approx.) on odometer I changed the differential oil to Amsoil Severe Gear 75w90. The old oil was noticeably thicker when cold than the Amsoil was, and I have no idea what the old oil was. No issues driving on this gear oil 50+ miles today. I should see some improvement.
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Last edited by 101Volts; 03-07-2016 at 08:22 PM..
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