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10 bolt upgrades?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by shum1, Feb 19, 2001.

  1. shum1

    shum1 1/2 ton status

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    I want a stonger axle to cope with my 33" tires and towing loads. I'm not a big off roader but I do tow 3000-4000 lbs for long distances. I'm considering the 14FF cswap for my 1990 suburban but I'm having trouble finding the correct backing plates for the parking brakes. Anyways, what breaks on the 10 bolts? Is it ever worth it to just upgrade them? Can they be made reliable for towing? How much would it cost? Thanks
     
  2. Emmettology 101

    Emmettology 101 3/4 ton status

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    What is wrong with the stock backing plates on the 14FF that you cant use them?

    Mike [​IMG]
    See <font color=green>EMMETT</font color=green> -&gt; <A target="_blank" HREF=http://emmett.coloradok5.com>http://emmett.coloradok5.com</A>
     
  3. shum1

    shum1 1/2 ton status

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    Good question, according to most people that have done this, the parking break cables on the 14 FF will not work with a 1990 model 1/2 ton suburban, I guess they are on the wrong side.
     
  4. 90K5

    90K5 1/2 ton status

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    Have you thought about going to a 14B SF? I'm doing that this summer, and I have the same setup as you except in a Blazer, I tow a lot too and have 33s

    90K5

    See my truck at <A target="_blank" HREF=http://albums.photopoint.com/j/Albumindex?u=1329584&a=9886502>http://albums.photopoint.com/j/Albumindex?u=1329584&a=9886502</A>
     
  5. Rebel88

    Rebel88 1/2 ton status

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    The only big problem with going with the 14 sf is the availability of that axle. They are very hard to find.

    Later

    Have you driven OVER a Ford lately?
     
  6. Rebel88

    Rebel88 1/2 ton status

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    You might just want to look into a 12 bolt with some upgraded axles. Warn makes pretty strong axles for them. From what I have seen they can take the abuse.

    Later

    Have you driven OVER a Ford lately?
     
  7. jerseyk5

    jerseyk5 Registered Member

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    I just did the 14bolt sf conversion on my 88 blazer, went pretty smooth. I got my rear from truckpartsunlimited.com. It was out of a 1995 pickup and it was in really good shape too. It came with the brakes from drum to drum. I paid 500.00 for the rear and paid 125.00 for shipping. They had a couple more out there, might want to look into it.
     
  8. 6.2Blazer

    6.2Blazer 1/2 ton status

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    The 8-lug versions of the sf 14-bolts that are basically a direct swap into a K5 were very common in 3/4 ton pickups from about '82-'87 and Subs from about '82 to '91. The 6-lug versions found in the newer style trucks with IFS are fairly rare.
     

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