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Ok, got a ?. My 72 3/4 ton 4x4 has a 4" lift and runs on 305x70xr16 (same as 33x12.50). I hear that bigger tires and a lift will make your gear ratio seem higher than what it actually is. Is this correct? And if it is, does anyone know approximately how many rpm's I would pull at say 60 or 65? The reason I ask is my 70 3/4 ton 4x4 has no lift and factory size tires and runs on the highway very easy. Assuming it does have 411's, I'm wondering if tire size and lift can make that much of difference.
Scott
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