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Biggest tires for D44/14bff?????

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by sandracer0004, Jun 30, 2003.

  1. sandracer0004

    sandracer0004 1/2 ton status

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    I am building a d44, and corp14bff with 411 gears to put under my lifted burb, 80% of my offroading in it is in the dunes. with ocassional mud in the winter.

    I was thinking of going with 38 or 39.5 x 14" tires. but i have heard that may be too big?

    power train is a 350/th700r4/241
     
  2. TWISTEDJACK

    TWISTEDJACK 1/2 ton status GMOTM Winner

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    If you like to use the throttle you better buy the chrome moly shafts and good u-joints for the D44. The 14bff will be pretty happy with any tire size.
     
  3. shane74

    shane74 1/2 ton status

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    I agree, if you're a throttle jockey, chrome moly's for the front. I am when I get in the sand and mud! /forums/images/graemlins/thumb.gif Then again, I run 38's on 1/2 ton D44 and 12 bolt /forums/images/graemlins/shocked.gif Never broke anything YET..big time emphasis on the YET! /forums/images/graemlins/rotfl.gif
     
  4. sandracer0004

    sandracer0004 1/2 ton status

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    so what about with 411s i really dont wanna change gear ratios.
     
  5. TWISTEDJACK

    TWISTEDJACK 1/2 ton status GMOTM Winner

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    Might be a little under powered with 4.11's but you should be fine. I would definately get the shafts. I fixed the front axle 4 times on one trail before. /forums/images/graemlins/eek.gif The 39.5 are really hard on anything less than a D60. It held up pretty good with the moly shafts.
     
  6. sandracer0004

    sandracer0004 1/2 ton status

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    well now im thinking ill go wiht 36x14x15 or 16" not sure what tire though, was thinking for tsls.
     
  7. blasterD

    blasterD 1/2 ton status

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  8. NightRider

    NightRider 1/2 ton status

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    get some new 36" IROKs. I just got a set and they are killer in mud and off road.
     
  9. 84_Chevy_K10

    84_Chevy_K10 Banned

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    With a 700, you're going to want 4.88 or 5.13 gears. I'd opt for the latter.
     
  10. white-rhyno

    white-rhyno 1/2 ton status

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    im running 38x11 boggers with out any trouble. But i am VERY easy on the throttle. I dont like fixing [naughty word] on the trail. Much rather do it in my shop.
     
  11. four_by_ken

    four_by_ken 1/2 ton status

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    In the sand you will be fine. But, the mud is where the trouble will come.

    Ken H.
     
  12. 84_Chevy_K10

    84_Chevy_K10 Banned

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    My friends have been very lucky with SBCs and open diffs keeping them together up front.
     
  13. gravdigr

    gravdigr 1/2 ton status

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    [ QUOTE ]
    I run 38's on 1/2 ton D44

    [/ QUOTE ]

    Internally the 1/2 ton and 3/4 ton D44 are the same. Only difference is 1 has 6 lugs and 1 has 8. I can't wait to play with my 2.76s and 35s and see what I can break first /forums/images/graemlins/thumb.gif (axle swaps will be inc but I wanna break something first /forums/images/graemlins/grin.gif )
     

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