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14 bolt question

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by CarolinaBogger, Apr 4, 2001.

  1. CarolinaBogger

    CarolinaBogger Registered Member

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    Does anyone know what year and model vehicles came with a 14 bolt semi-floater w/ 6 lugs? Also, would these axels accomodate 15" rims? I am going to beef up my drivetrain and was debating which to go for:14 bolt or 12 bolt. One last thing, is there any conversion kit for 15" 6 lug rims to mount up to a 14 bolt full-floater. Thanks guys.
    CB
     
  2. thatK30guy

    thatK30guy 1 ton status Premium Member

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    6 lug 14SF started in 88. Most of these were under the 454SS trucks. They were also very available under 6 lug 3/4 ton trucks too. You could use any 6 lug SF from 88 on up. And they ALL bolt a 15" rim on easily.
     
  3. CarolinaBogger

    CarolinaBogger Registered Member

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    Thanks for the info. Now all i gotta do is find one.

    CB
     
  4. 6.2Blazer

    6.2Blazer 1/2 ton status

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    I believe the 14 bolt SF's under the 454SS trucks were only 5-lug. The 6-lug sf 14's were found in the light duty 2500 series (3/4 ton) trucks starting in '88 and a few 1500 series (1/2 tons) with the towing package. If you want to put one of these under an "older" style pickup ('87 or older) or Blazer ('91 or older) it will require the spring and shock mounts to be moved.

    I've seen quite a few '88 to early 90's 2500 series trucks with the 6-lugs, though it just seems as the model years get newer there are fewer and fewer with the 6-lugs. Maybe GM was phasing out the 6-lug axles on the 3/4 tons and going strictly with 8-lugs???
     

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