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Ring and Pinion change

(2008 Ford F-350 Super Duty)
in Raleigh, NC on March 22, 2011
Who has successfully changed out differential gear to higher gear? I want to go from 4.30 to 3.73 gear ratio to improve fuel economy since I am no longer planning to haul heavy 5th wheel.
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Popular Answer
on March 22, 2011
If is 4x4 then will need to do both axles. This is a big job and best left to experts. This is nothing you want to get into if have no experience
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