what is it.

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B111Y

Junior Member
Joined
Jul 25, 2016
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Location
New Mexico
First Name
Billy
Truck Year
1984
Truck Model
GMC 1500
Engine Size
5.0
the ratio is sometimes stamped on the outside of the ring gear. Chock the front wheels jack the rear up jack stands put it in neutral pan under cover remove 12 bolts turn wheels
 

78C10BigTen

Full Access Member
Joined
Apr 12, 2017
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15,475
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Location
pennsylvannia
First Name
Ted
Truck Year
1978
Truck Model
C10 BIG TEN
Engine Size
350
Can anyone tell me by looking at it what rear i have and what gears it may have? Keep in mind its the stock rear.
You must be registered for see images attach
@rpcraft its a 12. This is the original post.
 

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