G15 rear diff

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crpntr78

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Howdy all, Just got a 1984 GMC K2500 8600 GVW.. RPO's are hard to read. Gives a G15 code for the rearend. It's a 14 bolt semi float.What ratio would this be? Thanks
 

Keith Seymore

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crpntr78

Full Access Member
Joined
Jan 8, 2016
Posts
529
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411
Location
Missouri
First Name
Jerry
Truck Year
86
Truck Model
K10
Engine Size
350
Very well could be GT5, I actually debated with my self as to whether it was a 1 or a T. Thank you very much.
 

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