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Old 06-20-2014, 12:09 PM   #4
83GMCK2500
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Join Date: Sep 2009
Location: Beaverton, OR from WA State
Posts: 1,515
Re: 1973 3/4 ton GMC 4x4 25HD Restoration Build

Truck looks like a great starting point, nice find.

The Dana 60 was not introduced until 1977, if that is original it is an early large hub Dana 44. GM NEVER USED a Dana 60 rear axle in these trucks, that is a 14 bolt and it's an early one with small BRAKES. Your front caps are correct for 1973, the rear caps are 1977+. Those are most commonly referred to as Warn Premium Locking Hubs, with an alloy dial; an upgrade over the Warn Standard Locking Hubs with plastic dial.
__________________
Devin

1983 GMC High Sierra 2500, 4x4, RC/LB, 400 S.B., SM-465, NP-208, Corporate 10 bolt & 9.5" 14 bolt
1996 GMC Sierra SLE 3500 DRW, 4x4, EC/LB, Vortec 454, NV-4500, BW-4401, AAM 925 & AAM 1050
1997 GMC Sierra SLT 1500 4x4, Z71/F44, EC/SB, Vortec 350

My Introduction with my '83s History
New Daily, the '96
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