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41 tooth ring gear... what ratio is this 14 bolt

Discussion in 'The Garage' started by camiswelding, Mar 10, 2005.

  1. camiswelding

    camiswelding 1/2 ton status

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    ok... the ring gear is 41..... do I have to count the pinion or is there a better way to figure the ratio
    cam
     
  2. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    most ratio's use the 41 tooth ring gear...

    41/8...5.13's
    41/9...4.56's
    41/10...4.10's
    41/11...3.73's
    41/12...3.42's

    Rene
     
  3. 85mudblazin

    85mudblazin 1/2 ton status

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    you need the # of teeth off the pinion also.
    But you can look on the outside edge pf the ring gear and there will be a series of numbers, look for your 41 and another number after that such as 10 for an example, divide those 2 and you have your ratio.
     
  4. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    It's stamped XXXXXXXX 10 41 11 85 <<<just an example

    The last 4 digits are the build date (Nov 1985 in this case), the 41 is ring gear, the 10 is pinion. Sept (09) Oct (10) and Nov (11) seemed to be popular months for diff building so the build month often gets confused for pinion gear count.

    Just a heads up.

    Rene
     

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