Author Topic: 1985 C20 rear end decode help please  (Read 6079 times)

Offline zieg85

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Re: 1985 C20 rear end decode help please
« Reply #15 on: February 26, 2015, 07:44:46 am »
GU5 makes sense.  3.23 is the ratio for a semi-float 14 bolt
Carl 
1985 C20 Scottsdale 7.4L 4 speed 3.21
1986 C10 under construction
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