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gear ratios?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by BillR, Apr 25, 2000.

  1. BillR

    BillR 1/2 ton status

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    How do you figure gear ratios? I just checked my rear diff. With the rear up in the air, I spun the rear tire once around. The driveshaft turned almost twice around. What gears do I have?
    Thanks!

    Blazin' in Flagstaff
     
  2. Kodiak

    Kodiak 1/2 ton status

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    Are you sure it only turned around twice?
     
  3. BillR

    BillR 1/2 ton status

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    Sorry, guys. My bad! I had the Mrs. pull it ahead slowly after I marked the shaft. It's almost 4 to 1. Is there a ratio between 3.73 and 4.11?
    Thanks again

    Blazin' in Flagstaff
     
  4. walrus101

    walrus101 Registered Member

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    not that i know of. if you rolled it forward and you have bigger than stock tires that is probably the difference. same principle as driving down the road and the odometer is slightly off with larger tires.

    walrus101

    goo goo gaju
     

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