I have a 2012 Silverado Crew Cab 4x4 with the 4.8L and I'm wondering what's the best gears to get for towing, I live in North Dakota now so it's very hilly out here and my truck has a major struggle going up them... very annoying because I basically have to floor it to make it up without dropping 10mph.. so I'm trying to decide between 3.73 & 4.10, I know 4.10 will be high rpm on the highway but what's will make it easier on the motor and tranny for hauling? Thanks
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