Saginaw 3 speed fluid change, what to use?

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Burkee1483

Burkee1483

When did we get ice cream!?
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Joined
Oct 22, 2024
Posts
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Location
bealeton virginia
First Name
mike
Truck Year
1974
Truck Model
c10
Engine Size
350
I keep seeing conflicting info

80/90
GL4

Don’t use GL5

Use 80w only

I need a definitive answer so I can change the fluid while the trans is out of my truck!

I appreciate the insight!
 

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