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Thread: Rear suspension problem!!!! Need help!!!!

  1. #1
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    Rear suspension problem!!!! Need help!!!!

    Rear suspension problem-
    My new hubs came in, i ordered the front hubs for a 86 s10 4x4
    and got the knuckles from what the junk yard assured me was a 88 ciera
    The hubs are Alot bigger from the s10 and dont fit the ciera upright. im sure one of these is the wrong part! any one have any info or measurments that will let me know which is the wrong one? lmk

  2. #2
    Senior Member ITALIANKNIGHTRIDER's Avatar
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    Re: Rear suspension problem!!!! Need help!!!!

    this is what i found

    A "94 Buick Century" front strut casting and bearing retainer has the same dimensions as the fiero......Take it off the front of the Buick....Move it to the rear and best of all... it bolts on in 5 min..............It has a large bearing in the casting and has the large hub like the S10 for drilling 120mm studs!!!!!!

    Sooooo....You end up with the large bearings and hubs, and comes with 10.25 vented rotors...... I got 2 castings, and 2 outboard c.v stubs, and 2 calipers, new pads from the part store and had the rotors turned and spent under $120.00...... to get vented brakes and a hub that will accept 120mm wheel pattern

    qoute from steve on kitcentral
    In the USA if you pay a company / person to start a plug, then it,s your plug and work ,it is not theirs to sell or trade !!

  3. #3
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    Re: Rear suspension problem!!!! Need help!!!!

    but i read that all these were the same
    1984-1989 CENTURY 115mm wheel BC
    1990-1992 CENTURY
    1984-1989 CELEBRITY 115mm wheel BC
    1984-1985 6000 115mm wheel BC
    1986-1987 6000 115mm wheel BC, w/o ABS
    1990-1991 LUMINA VAN
    1983-1987 CIERA 115mm wheel BC
    1988-1989 CIERA SW
    1988-1989 CIERA exc. SW; 115mm wheel BC
    1990-1992 CIERA
    1990-1991 SILHOUETTE
    1990-1991 TRANS SPORT
    1983 CENTURY 115mm wheel BC
    1983 CELEBRITY 115mm wheel BC
    1990 CELEBRITY
    1983 6000 115mm wheel BC
    1988 6000 115mm wheel BC, w/o ABS
    1989 6000 115mm wheel BC, w/o ABS
    1990 6000 w/o ABS
    1991 6000

  4. #4
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    Re: Rear suspension problem!!!! Need help!!!!

    anyone have an o.d. measurement of the s10 hub?
    or the i.d. of the proper upright?
    That would tell me for sure!

  5. #5
    Moderator FunnyWheels's Avatar
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    Re: Rear suspension problem!!!! Need help!!!!

    The 94 Buick may work. I didn't look at that one when I built my car in 1998. There were not too many available back then. The S-10 4X4 front bearing in the Olds Ceira front upright worked for me.

    Side note: I did have to drill out the threaded holes on the S-10 to bolt it to the Olds upright. (they are both threaded). You can also use the 10 inch disk brakes from the S-10 4X4 if you choose to do so. I decided to use Wilwood 12 inch rotors with 4 piston calipers.

    Dave
    If you're not confused, you're not paying attention.

  6. #6
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    Re: Rear suspension problem!!!! Need help!!!!

    does anyone have any measurements or where i can find them?

  7. #7
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    Re: Rear suspension problem!!!! Need help!!!!

    Now i was just told im suppose to bore out the knuckle so the hub fits. anyone know if this is right? ive never heard that.

    Not True!

    That is the reason for getting Olds Ceira uprights. The big bearings fit that upright. You will need to drill out the threaded holes on the bearing in order to bolt it to the upright. They are both threaded. The S-10 hub fits the upright withought making the hole for the bearing larger.

    I put a ton of information together to do this conversion. The Olds upright also has the same geometery as the Fiero so it will line up with the same specs as the Fiero with stock knuckles.

    Dave

  8. #8
    Moderator FunnyWheels's Avatar
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    Re: Rear suspension problem!!!! Need help!!!!

    Quote Originally Posted by Greenmeansgo
    Rear suspension problem-
    My new hubs came in, i ordered the front hubs for a 86 s10 4x4
    and got the knuckles from what the junk yard assured me was a 88 ciera
    The hubs are Alot bigger from the s10 and dont fit the ciera upright. im sure one of these is the wrong part! any one have any info or measurments that will let me know which is the wrong one? lmk
    They must not have sold you the correct uprights.
    If you're not confused, you're not paying attention.

  9. #9
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    Re: Rear suspension problem!!!! Need help!!!!

    Thanks and i appreciate it. i knew this was going to happen.... oh well back to the junk yard! :P

  10. #10
    Moderator FunnyWheels's Avatar
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    Re: Rear suspension problem!!!! Need help!!!!

    Quote Originally Posted by Greenmeansgo
    Thanks and i appreciate it. i knew this was going to happen.... oh well back to the junk yard! :P
    Take a bearing with you. The old one looks like the new one but the bearing will only fit into the new one, not the old. Maybe a GM parts guy can provide a casting number for you with a pone call before you drive over.
    If you're not confused, you're not paying attention.

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