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72Levi · 09-29-2008, 12:06 AM

I might need to jack it up and turn wheels, mark driveshaft, etc... Jtrux is right its a Dana and other guys tell me its a 3.54 but Longhorn Man says it has rear suspension mods and most likely used as tow rig. The gears may have been changed, i will look. The leaf springs looked modded and it even has coils on shocks. See parts section, I am thinking Dana 60.

09-29-2008, 12:06 AM	#4
72Levi Active Member Join Date: Feb 2006 Location: sa tx Posts: 851	Re: 1972 GMC 3/4 ton rear axle ???? I might need to jack it up and turn wheels, mark driveshaft, etc... Jtrux is right its a Dana and other guys tell me its a 3.54 but Longhorn Man says it has rear suspension mods and most likely used as tow rig. The gears may have been changed, i will look. The leaf springs looked modded and it even has coils on shocks. See parts section, I am thinking Dana 60. __________________ 1972 K5 Blazer ALL ORIGINAL paint & engine, A/C, Tilt, 4sp, AM/FM, Tow Hooks, Aux Battery Tray, Tach, Vacuum 2004 FORD FX4 SuperCrew 2005 CTS-V 12 sec family car 2008 Buick Enclave AWD, Nav, & DVD, Wife LOVES it! Last edited by 72Levi; 09-29-2008 at 12:08 AM.