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14bff Axle GURU's

Discussion in 'The Garage' started by TxK5Blazer, Dec 5, 2003.

  1. TxK5Blazer

    TxK5Blazer 1/2 ton status

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    14bff Axle GURU\'s

    I pulled the cover off of my 14bff today and found these numbers and such on the ring gear....

    GM 464919 11 45 9 85

    tell me what this means I do not know how to break the code.... thanks Jason
     
  2. sled_dog

    sled_dog 1 ton status

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    Re: 14bff Axle GURU\'s

    don't know about the rest but the 11 and 45 are the ring and pinion teeth counts, means 4.10 gears.
     
  3. berg76

    berg76 1/2 ton status

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    Re: 14bff Axle GURU\'s

    [ QUOTE ]
    GM 464919 11 45 9 85

    [/ QUOTE ]

    11 = pinion teeth
    45 = ring gear teeth

    so
    45/11 = 4.09090909 gear ratio. basically 4.10s for short

    9 = is month it was produced
    85 = is the year it was produced

    Dont know what the first numbers mean. Serial number I suppose.

    Hope this helps /forums/images/graemlins/thumb.gif
     
  4. TxK5Blazer

    TxK5Blazer 1/2 ton status

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    Re: 14bff Axle GURU\'s

    Thanks Guys that helps out a bunch so that is a 4.10 rear end cool have found a dana 44 3/4 ton front with flat tops cheap too with 4.10's would it be worth the swap for me to change gears of the 14b or change from 4.56 to 4.10....Jason
     
  5. R72K5

    R72K5 Banned

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    Re: 14bff Axle GURU\'s

    sept. 1985
     
  6. 84_Chevy_K10

    84_Chevy_K10 Banned

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    Re: 14bff Axle GURU\'s

    [ QUOTE ]
    Thanks Guys that helps out a bunch so that is a 4.10 rear end cool have found a dana 44 3/4 ton front with flat tops cheap too with 4.10's would it be worth the swap for me to change gears of the 14b or change from 4.56 to 4.10....Jason

    [/ QUOTE ]

    I wouldn't bother changing the gears at all unless you're going to go all the way to 5.13s. The 14 ff has two significant ratios IMO....stock (whatever that happens to be) and 5.13s. /forums/images/graemlins/smile.gif
     
  7. TxK5Blazer

    TxK5Blazer 1/2 ton status

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    Re: 14bff Axle GURU\'s

    well this is the problem. I will need opinions.

    I have my 10bolt in the front with 4.56's and a lockright now. Do I have the 14bff regeared to match. Know that all I have to do is buy the gears and intall kit and all the labor is free and convert the front to 8 lug, or do I buy a 3/4ton Dana 44 with 4.10's and flat top knuckles from a guy for $150. I already have 5 16" 8 lug wheels so that is not an issue. What would be my best bet....Jason
     
  8. cybrfire

    cybrfire 1 ton status Vendor GMOTM Winner

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    Re: 14bff Axle GURU\'s

    I'd regear the 14 bolt to match. If you want to go deeper gears later you can always sell 4.56 gears I'd think. I haven't priced a loc-right recently but I'd say you should keep a hold of that.
     
  9. TxK5Blazer

    TxK5Blazer 1/2 ton status

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    Re: 14bff Axle GURU\'s

    thanks but I need some more opinions I enjoy getting them
     

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