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Tranny And Diff
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June 7th, 2020, 05:22 PM
jmfurgason
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Join Date: Dec 2019
Location: Las Cruces NM
Truck: 1963 GMC 1000 sm420 305E lwb wideside
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Tranny And Diff
How often should gear oil be changed on sm420 and 44 Dana . Just a Sunday driver ? Thanks be well be safe . JF
jmfurgason
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