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factorystock · 09-29-2008, 09:03 PM

For some reason, Chevy never offered the 3.73 ratio on the C-20 Dana 60 3/4 tons between 68-72, while Dodge and Ford used this ratio in their Dana 60 3/4 tons.

09-29-2008, 09:03 PM	#15
factorystock Registered User Join Date: Feb 2007 Location: west coast Posts: 3,348	Re: 1972 GMC 3/4 ton rear axle ???? For some reason, Chevy never offered the 3.73 ratio on the C-20 Dana 60 3/4 tons between 68-72, while Dodge and Ford used this ratio in their Dana 60 3/4 tons.