Brandon_l1000
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- Joined
- Nov 2, 2011
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- 257
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- Location
- Tennessee
- First Name
- Brandon
- Truck Year
- 1979
- Truck Model
- k10
- Engine Size
- 350/sm465/np205
hey guys whats the best gear oil weight to put in an sm465?
gear oil
- Thread starter Brandon_l1000
- Start date
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Irishman999
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- Safford Arizona
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- Jason
- Truck Year
- 1985
- Truck Model
- K-1500 High Sierra
- Engine Size
- 305
I run 80-90 in mine.
davbell22602
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- David
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- I Dont
- Truck Model
- Have
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- One
If it were me I'd put the severe gear synthetic by Amsoil. It helps the diff parts cooler than conventional gear oil.
