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14 bolt to a 14 bolt

Discussion in 'The Garage' started by sublmnl1990, Nov 9, 2004.

  1. sublmnl1990

    sublmnl1990 1/2 ton status

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    I am going to pick-up a FF 14 bolt next weekend so I don't have it to compare. The 14 bolt I have now is a semi floater and this one is a full floater out of a 1 ton chevy van I know it is about 3" wider and I may or will have to move the perches but what about the drive shaft. Is the FF shorter or longer than the semi? What else will I have to deal with. Can I get a u-joint thats a 1310 one way and a 1350 the other. I am assuming the 1-ton will use the larger joints (dude) but I dont know. Just trying to plan ahead. Thanks Nick /forums/images/graemlins/burb.gif /forums/images/graemlins/burb.gif /forums/images/graemlins/burb.gif
     
  2. 84_Chevy_K10

    84_Chevy_K10 Banned

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    FF is neither longer nor shorter

    Yes conversion joints are available.
     
  3. mechted

    mechted 1 ton status Premium Member

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    yeah you can get the ujoint (Neapco 2-1153)
    but i think 14 semi's come with 1350 ujoints in them... so wait till you have the axle to buy the joint

    you may also have to move shock mounts
     
  4. sublmnl1990

    sublmnl1990 1/2 ton status

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    Is the conversion joint okay to go with or is there a better way? /forums/images/graemlins/burb.gif
    Thanks for the quick response /forums/images/graemlins/thumb.gif
     
  5. TrcksR4ME

    TrcksR4ME 1/2 ton status

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    Conversion joints work fine, just are spendy and you can't get them at any parts store. So at a minimum you should have a spare with you, chances are if you break one out wheeling no one else will have one and finding one at a parts store is hit and miss.
     
  6. smokkey1

    smokkey1 1/2 ton status

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    very nice sub /forums/images/graemlins/waytogo.gif
     
  7. rjfguitar

    rjfguitar 3/4 ton status GMOTM Winner

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    [ QUOTE ]
    Is the conversion joint okay to go with or is there a better way? /forums/images/graemlins/burb.gif
    Thanks for the quick response /forums/images/graemlins/thumb.gif

    [/ QUOTE ] Conversion joints are a good way of getting by IMHO. I had a neapco 2-1153 for a while but if you have tires large enough to require a 14BFF and the HP to push them the stock shaft probably won't last long. Even with a conversion you still have 1310 on one side. Go with the conv. joint for now and have a custom 1350 shaft built if the stocker can't hold up, you won't regret it. /forums/images/graemlins/thumb.gif
     
  8. smokkey1

    smokkey1 1/2 ton status

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    I thought the 14sf and 14ff used the same size 1350 u-joint.
     
  9. 84_Chevy_K10

    84_Chevy_K10 Banned

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    [ QUOTE ]
    I thought the 14sf and 14ff used the same size 1350 u-joint.

    [/ QUOTE ]

    They do.

    '81-up GM vehicles do not use 1310 at all. You guys are all referring to the Saginaw S44 joint.
     
  10. 88K5Jimmy

    88K5Jimmy 1/2 ton status

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    [ QUOTE ]
    [ QUOTE ]
    I thought the 14sf and 14ff used the same size 1350 u-joint.

    [/ QUOTE ]

    They do.

    '81-up GM vehicles do not use 1310 at all. You guys are all referring to the Saginaw S44 joint.

    [/ QUOTE ]

    Not in my case. The 82 14bsf I got had a 1310 yoke on it. I had it switched to a 1350 yoke.
     
  11. 84_Chevy_K10

    84_Chevy_K10 Banned

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    [ QUOTE ]
    [ QUOTE ]
    [ QUOTE ]
    I thought the 14sf and 14ff used the same size 1350 u-joint.

    [/ QUOTE ]

    They do.

    '81-up GM vehicles do not use 1310 at all. You guys are all referring to the Saginaw S44 joint.

    [/ QUOTE ]

    Not in my case. The 82 14bsf I got had a 1310 yoke on it. I had it switched to a 1350 yoke.

    [/ QUOTE ]

    No it didn't. If you think it did you're confused, see my post above. No 81-up GM truck used a 1310 joint.
     
  12. Eric M.

    Eric M. 1/2 ton status

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    Did the same conversion on my 91 Burb last year. You will need to move the spring perches and the shock mounts (maybe use the shock mounts off the Semi Floater, the ones off the 1 ton FF are different). The U-jount is the same, the "snout" of the pumpkin is shorter than the Semi Floater, but in my case there was plenty of spline contact left on the driveshaft so I didn't need to lengthen it (I don't have any lift and the shaft was stock length to start with).

    If you have ABS, they still work with the larger 1 ton drum set up.

    Good Luck,

    Eric M.
     
  13. sublmnl1990

    sublmnl1990 1/2 ton status

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    Well now that you say that about the rear shaft I just had to have my front one lenghtend so if the new pumpkin is shorter I will need to put the shaft on the drive shaft stretching machine, I guess if the u-joints are different which they may not be like I said I dont have them side by side to compare but then I will go ahead and get a new shaft built with what I need. I cant remeber what u-joints I put in there last just the 1310# rang a bell. Thanks for all the help. What about moving the shock mounts to the outside of the springs you know those new blue oval trucks say it will make it ride better. With the wider axle I believe there will be pleanty of room. Do you think I will notice a difference? /forums/images/graemlins/burb.gif
     
  14. 88K5Jimmy

    88K5Jimmy 1/2 ton status

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    [ QUOTE ]
    [ QUOTE ]
    [ QUOTE ]
    [ QUOTE ]
    I thought the 14sf and 14ff used the same size 1350 u-joint.

    [/ QUOTE ]

    They do.

    '81-up GM vehicles do not use 1310 at all. You guys are all referring to the Saginaw S44 joint.

    [/ QUOTE ]

    Not in my case. The 82 14bsf I got had a 1310 yoke on it. I had it switched to a 1350 yoke.

    [/ QUOTE ]

    No it didn't. If you think it did you're confused, see my post above. No 81-up GM truck used a 1310 joint.

    [/ QUOTE ]

    Yeah I saw your post, mine didn't
     
  15. ratzila

    ratzila 1/2 ton status

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    My 90 3/4 ton burb came with a sf14b with a 1350 yoke. When I swapped to a 14ff it used the same u-joint /forums/images/graemlins/thumb.gif
     
  16. sublmnl1990

    sublmnl1990 1/2 ton status

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    thanks rat I was never able to find your pics
     
  17. ratzila

    ratzila 1/2 ton status

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    Well if you pay $25 to join CK5 you can go look in the members ride section or I can email you some.
     
  18. sublmnl1990

    sublmnl1990 1/2 ton status

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    yeah I am going to jimmy up with the cash and join this is only my 3rd day wanted to check it out 1st
    sublmnl@cox.net until then /forums/images/graemlins/burb.gif /forums/images/graemlins/burb.gif
     
  19. ratzila

    ratzila 1/2 ton status

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    You wont find a better site than this one /forums/images/graemlins/thumb.gif
     
  20. sublmnl1990

    sublmnl1990 1/2 ton status

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    i see that /forums/images/graemlins/burb.gif
     

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