rear end ratios

Discussion in 'The Garage' started by 1979jimmy350, Apr 11, 2004.

  1. 1979jimmy350

    1979jimmy350 1/2 ton status

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    what would be the best gears to run with a 700-R4/NP203 combo. I am running 31 inch tires with stock axles on a 1979 GMC Jimmy with a 350. I am looking for some thing that gives me the best gas milage.
     
  2. mudhog

    mudhog THEGAME Staff Member Super Moderator

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    3:73's to 4:10's would be good for a setup like that
     
  3. 1979jimmy350

    1979jimmy350 1/2 ton status

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    I have 3.40's at this time will these be better or worse for gas milage vs. 4.11's
     

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