73-87chevytrucks.com
73-87 Chevy _ GMC Trucks => 4 Wheel Drives => Topic started by: Proplant on August 24, 2017, 10:42:38 PM
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What are some direct bolt on axles to upgrade from a 10 bolt rear end on these trucks?
Thanks
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14 bolt from a 3/4 ton, 1-ton would need spring pads moved. The 3/4-ton 14 bolt came with either a semi-float (same as 10 bolt) or full float.
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73-87 3/4 ton 14 bolt 10.5 ring gear full float or 9.5 ring gear semi float will bolt in and with a conversion ujoint.
Also thru 91 with a suburban 3/4 ton .
They both will be 8 lug.
The semi float can be converted to 6 lug with 88 and up 4x4 semi float axle shafts and spacing out the brakes.
88 and up axles will have a different spring perch spacing for the exception of the 3/4 ton suburban thru 91.
88 and up semi float axles can be either 6 or 8 lugs and come in 2 different widths, 4x2 65" wms or 68" wms approx.
again have diff spring perch spacing than the 73-87.
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Thanks for the help