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97 k1500 rear end swap

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Old September 23rd, 2011, 1:45 PM
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Default 97 k1500 rear end swap

i believe i have 3.73's. but for some reason i have it stuck in my head i want to swap for 3.42's
i have a 5.7 vortec and 33" mud tires. what difference will the 3.42's make.? on highway... through town... offroad... and advice would help. thanks
Old September 23rd, 2011, 5:07 PM
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If you've gone to larger tires, you'll want to swap your rear for a 4.10. That should return the final drive ratio to what it was before you swapped the tires to larger ones. If it's a 4x4, don't forget to swap the front gears too.
Old September 24th, 2011, 2:37 PM
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thanks. i wasnt even thinking about the 4wheel. how much additional torque would the 4.10 be?
Old September 25th, 2011, 8:11 PM
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Originally Posted by acer9876
thanks. i wasnt even thinking about the 4wheel. how much additional torque would the 4.10 be?

No idea, but with the larger tires, it'll probably return it to close to stock specs.
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