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82 c10 stock gears?

Discussion in 'The Garage' started by 1BadK-30, Jul 31, 2006.

  1. 1BadK-30

    1BadK-30 1/2 ton status

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    i know its a shot in the dark but does anyone know? i search and found a bit that it could be 3.08's and 3.73.
     
  2. dontoe

    dontoe 3/4 ton status GMOTM Winner

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    One '82 K-10 I have has 2.73........yes.....special ordered!!! It would not back up a steep hill with the stock 305, unless I put it 4L...........wow, what was someone thinkin'?
     
  3. 1BadK-30

    1BadK-30 1/2 ton status

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    incase you guys want to know it had a 305 motor and 700r4 stock
     
    Last edited: Dec 19, 2006
  4. 1BadK-30

    1BadK-30 1/2 ton status

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    ttt anyone? i dont have the rpo stickers
     
  5. K5MONSTERCHEV

    K5MONSTERCHEV 1/2 ton status

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    Just pop the cover and check. 2.73, 3.08 or 3.42
     
  6. 1BadK-30

    1BadK-30 1/2 ton status

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    i would but i have no idea what im doing :haha:
     
  7. K5MONSTERCHEV

    K5MONSTERCHEV 1/2 ton status

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    OK its easy.

    jack it up, get a drain pan.
    undo the 10 13 mil bolts around the cover
    Get a scraper and hammer, pop the cover off
    count the teeth on the ring gear and the teeth on the pinion
    divide ring by pinion= ratio
    clean the gasket off, silicone, bolt the cover back on and filler back up

    You could guesstimate by seeing how many times the pinion/driveshaft turns for one revolution of the tire.
     
  8. 1BadK-30

    1BadK-30 1/2 ton status

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    id rahter just jack it up and do the estimate calc to tell you the truth :o
     
  9. dyeager535

    dyeager535 1 ton status Premium Member

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    Good luck getting 2.73 and 3.08 differentiated that way.
     
  10. 1BadK-30

    1BadK-30 1/2 ton status

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    yes i know i wont get the exact gear ratio correct, but frankly i would rather not mess with it.

    this thread is going nowhere. was a silly question to ask when there is common ratios it could be.
     
  11. dyeager535

    dyeager535 1 ton status Premium Member

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    There's nothing wrong with asking it, yes it could be one of 4 or so ratios STOCK, but could be any number if ever replaced, which is entirely possible.

    Most (like myself) recommend pulling the cover because not only will you know exactly what's in there (gears, as well as limited slip, etc) but you will then know it's general condition, and you know you have the correct amount and type of fluid to make sure it continues to work the way it should.
     

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