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  1. #1
    Join Date
    Oct 2009
    Location
    Southeastern Michigan
    Posts
    99

    Default SPC Tubular Lowers + SC&C Stage 2 Woes

    Need a sanity check, please.

    G-body SC&C Stage 2 tall ball joint falls, literally, out of SPC lower arm. All parts are brand spankin' new. The arms were shipped with ball joints. The local machine shop removed the other and pressed in the new tall ball joints. When I picked up the parts, the guy said they went in waaay to easy and expressed his concern about it being right.



    What could I be overlooking? Anybody else ever run in to this problem? The other ball joints were knerled at the mating surface but I don't think the tall ball joints are. Trouble is definitely afoot in tolerance town. grr.r.r.r.r.r.r.r.......


  2. #2
    Join Date
    May 2008
    Location
    SoCaL-Pico Rivera
    Posts
    1,145
    Country Flag: United States

    Default

    Have you called SPC? I am sure Marcus can and will help you out.
    ---------Fabian Sanchez-----------
    71 velle Project Syckness ATS,Rushforth wheels,PRRC, Autometer,UMI, Hotchkis,QA1,hood-latches.com, comp cams,


    http://www.pro-touring.com/forum/showthread.php?t=43881

  3. #3
    Join Date
    Nov 2006
    Location
    Argyle, Texas
    Posts
    1,303
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    Default

    This has come up before. They need to be tack welded in. The holes are ovesize for replacement ball joints which are slightly larger. The tall balljoints are not, they are stock diameter.
    1970 Z28
    1969 Camaro
    1968 Firebird
    1957 Belair - in Sweden
    1966 Corvette coupe - sold

  4. #4
    Join Date
    Oct 2009
    Location
    Southeastern Michigan
    Posts
    99

    Default

    Thanks. That's a good explanation.

    Should they be tacked on the bottom side in 12, 3, 6, and 9 o'clock positions?

  5. #5
    Join Date
    Nov 2006
    Location
    Argyle, Texas
    Posts
    1,303
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    Default

    Quote Originally Posted by cornfed View Post
    Thanks. That's a good explanation.

    Should they be tacked on the bottom side in 12, 3, 6, and 9 o'clock positions?
    Not sure but I was going to just put the tacks on the balljoints only to hold them in since the weight of the car holds them in normally. That way I don't have to weld on my control arms.
    1970 Z28
    1969 Camaro
    1968 Firebird
    1957 Belair - in Sweden
    1966 Corvette coupe - sold

  6. #6
    Join Date
    Oct 2009
    Location
    Southeastern Michigan
    Posts
    99

    Default

    Thanks for the info. I'll let this ride. Maybe a veteran will chime in and share their experience. If not I'll clean up, grab a barley pop, and exercise the search button. I was hoping to knock out the front suspension today so I could reattach my front clip.

    In the meantime, I've stripped the rear suspension from the car. After dinner I'll begin installing the new bits. Tomorrow's project is finish the rear suspension and then begin installing the rear disc system. I probably should start a project thread. . . .

  7. #7
    Join Date
    Nov 2006
    Location
    Argyle, Texas
    Posts
    1,303
    Country Flag: United States

    Default

    1970 Z28
    1969 Camaro
    1968 Firebird
    1957 Belair - in Sweden
    1966 Corvette coupe - sold

  8. #8
    Join Date
    Oct 2009
    Location
    Southeastern Michigan
    Posts
    99

    Default

    You are my favorite Pt.com member.

  9. #9
    Join Date
    Aug 2007
    Location
    west michigan
    Posts
    513
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    Default

    my first thought was to check the taper but upon reading I realized you meant the other end.

  10. #10
    Join Date
    Aug 2004
    Location
    England
    Posts
    1,081

    Default

    Being as this issue has been going on for 2yrs what would it take to put a small note in the box advising the buyer to weld the ball joint in if loose instead of finding out after putting it in.As this job is a pain the back side to do.

  11. #11
    Join Date
    Oct 2009
    Location
    Southeastern Michigan
    Posts
    99

    Default

    I'm certain Marcus told me this detail and I simply forgot it. Why this detail isn't in the instruction set- I don't know. Either way, the LBJ's are stitched and the front suspension is assembled except for swaybar, alignment, and shocks.

    Thanks again for the holiday weekend help. Front clip isn't on, but hopefully after this weekend it will be.



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