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14 bolt questions

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by 2cocky, Oct 8, 2001.

  1. 2cocky

    2cocky Registered Member

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    Ok I have a good deal {read free} lined up on a 14 bolt out of a 80 3/4ton pickup what i need to know is will it fit my 86 k5 the donor truck in a 2x4 with a six bolt pattern. ok guys help me out

    OOOPS....I THINK I JUST RAN OVER YOUR JEEP THING!!!!!
     
  2. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    14 bolt FF came with 8 lug patterns only, used in C and K series pick-ups, 3/4 and 1 ton.
    14 bolt SF rears I don't think were offered as early as 1980, but the majority are 8 lug as well with some 6 lug SF's available in the late 80's. Majority found under 3/4 tons...with the 6 lug available in some 1/2 ton 4x4's in the late 80's and early 90's. The only other bolt pattern available for the 2 WD pick-ups was the 5 lug pattern for the half tons.

    If it is a 14 bolt FF from an 80 3/4 ton it will bolt up with very little effort. Spring pad width is the same and the shock mounts are in the correct position as well. You will need to use a hybrid U-joint, I can never remember the pn#, and the e-brake may need some mods to interface with your truck.

    Rene

    <font color=green>Dyslexics of the world...UNTIE!</font color=green>
     
  3. 84_Chevy_K10

    84_Chevy_K10 Banned

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    No 14 bolt full floater or 3/4 ton truck for that matter came with a 6 bolt pattern axle (not in this body style anyway). Look elsewhere.

    Tim
    '84 Chevy K10, lifted, loud, fast, and 3/4 ton axles
     
  4. morphed86k10

    morphed86k10 1/2 ton status

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    Just to add, you might not need a conversion u-joint. Some half tons (like mine) came with a 1350 -u jointed rear driveshaft.
     
  5. 83ZZ502_Jimmy

    83ZZ502_Jimmy 1/2 ton status

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    I'll second that on the factory 1/2 ton 1350 u-joint.

    <font color=blue>"When all else fails, read the instructions, or get a bigger hammer"</font color=blue>
     
  6. outlaw612

    outlaw612 1/2 ton status

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    U-joint is NAPA part #447(about $30)


    <a target="_blank" href=http://www.geocities.com/outlaw613/K5.html>http://www.geocities.com/outlaw613/K5.html</a>
     

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