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Re: Rear axle ratio/change
You don't say what year your Sub is. I would say by your speed and rpm you're running 3:73 gears which is what my '98 K2500 7.4 has. Look in the glove box door to confirm. Because it's a 4x4 you'd need to change both front and rear. To have that done would cost $2-3,000 maybe. I did a little calculation based on $3 a gallon. If you geared up and went from 12 mpg to 13 mpg you'd save $960 over a 50,000 mile distance. So, is it worth it??? Only you can decide..................Steve
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57 Chevy 210
65 Olds 442 Convertible (Another one sold)
75 GMC Vandura 3/4 Ton
1999 K2500 Old Body Style Suburban (Gone but not forgotten)
05 Dodge Ram 3500/5.9 Cummins
2012 Toyota FJ Cruiser
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