Gear oil

Clutch, transmission, rear axle

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newdeal
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Gear oil

Post by newdeal »

I don't have a book about my truck yet, so I'm going to ask an easy question. How thick of a gear oil goes in a '67 Dana 60?
'67 F-250 Custom Cab 300-6 C4 trans.
Dana 60 4:10
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lightning_msd
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re: Gear oil

Post by lightning_msd »

probably 75-90 or 80-90
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fordman
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Post by fordman »

:yt: 80-90
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heep70
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re: Gear oil

Post by heep70 »

80W-90 for an open rear and 85W-140 for Trac-Loc or Power-Loc rearend. You will also have to have the friction additive for the locking units.
Greg

1971 F250 "Highboy". SOLD to "Highboy_Firefighter_71"
2000 Subaru Outback limited.
2000 F250 4X4 PSD SuperDuty Crew.
2010 Polaris 800RMK Dragon 155"
2013 Polaris Pro 800 RMK 163"
1980 Built Toyota "Trail Rig".
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