rear differential rear end rear axle

  1. C

    Gear Ratio Help

    I am looking for suggestions on what gear ration do swap to. My current set up is a 1983 Chevy C10 with a built 355 small block, 3200 rpm torque converter, 700r4 trans and 3.73 posi rear. With the current engine/cam combo i can not use 4th gear unless I am running above 70 mph. The cam was...
  2. Y

    Need some help with my rear differential

    hey all im looking to get some advise ill try to keep it short bought an 87 v20 project truck 2 years ago been slowly plugging away at restoring it. truck came with a spare rear diff thats in much better shape then the one in the truck hauled out the old rear went to install the new one and no...

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