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Old 07-30-2008, 09:30 PM   #2
GM72K10
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Join Date: Jan 2003
Location: Eastern Pa.
Posts: 2,483
Re: Front Differential Question

No factory K30s until 77-78, all front axles are Dana 60s, backs are either Dana 70s or 14FFs. I've had a few, my 83 K30 dually has a Dana 70 in the back where the CUCV K30s have 14FFs.
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86 K30 CUCV M1028A1
86 K30 CUCV M1028a2 dually
86 K30 C&C 6.2 4:56s, 4M, 11,000 gvw, ex fire truck, now lowboy dump
More square bodies and CUCVs than I care to admit to
2020 Silverado K3500HD Work truck
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