77 Suburban to 87 Stepside? Will it work?

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circuitguy

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May 5, 2013
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Location
Elk Grove, CA
First Name
BIG-C
Truck Year
1987
Truck Model
GMC 1/2 ton Stepside
Engine Size
350 / 5.7
Will a 1977 Suburban 1/2 ton 2 wheel drive rear axle fit into a 1986 or 1987 C10 1/2 ton step side truck? Are they the same dimensions? Will it bolt right in? Any help would be great!
 

bucket

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Location
Usually not in Ohio
First Name
Andy
Truck Year
'77, '78, '79, '84, '88
Truck Model
K5 thru K30
Engine Size
350-454
It bolts right in, but uses a different u-joint. Either need a conversion joint or have the yoke replaced on the drive shaft.
 

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