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Thread: rear sway bar install

  1. #1

    rear sway bar install

    Since I have recently finally learned how to post pictures I decided to practice by showing a rear sway bar install. First use clamps to hold the bar and brackets in place and check for clearance and level. Mark where the ball stud needs to mount, drill front hole, use a 12" drill bit to go through to the back side, keeping bit perpendicular to arm surface. enlarge the pilot hole and tack in the ball stud.
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  2. #2

    rear sway bar install

    After pin is welded then weld brackets to side member, temporarily locating end of sway bar link on pin to verify bracket is in right location.
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    Early S Registry member #90
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  3. #3

    rear sway bar

    Under coat welded areas, install all the pieces and go hit the road. This series was done on Mike Kuhn's 68. He is my photo mentor!
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    Early S Registry member #90
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  4. #4
    Goldmember ttweed's Avatar
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    Ed-

    What do you think about boxing in the early, stamped console with another piece of half-moon-shaped sheetmetal welded to the outside lip? Necessary for cars that are driven hard? Overkill?

    I know the factory ended up reinforcing the later, smaller console because of failures, and it seems like the L-shaped cantilevered piece supporting both mounting bolts is kind of a weakness in the design without some gusseting, but hey--I'm no mechanical engineer, I just play one on the internet....

    Thx,
    TT
    Tom Tweed
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  5. #5
    Nice write up and pictures Ed!
    Thanks for sharing....

  6. #6
    Quote Originally Posted by ttweed View Post
    Ed-

    What do you think about boxing in the early, stamped console with another piece of half-moon-shaped sheetmetal welded to the outside lip? Necessary for cars that are driven hard? Overkill?

    I know the factory ended up reinforcing the later, smaller console because of failures, and it seems like the L-shaped cantilevered piece supporting both mounting bolts is kind of a weakness in the design without some gusseting, but hey--I'm no mechanical engineer, I just play one on the internet....

    Thx,
    TT
    Tony and Marco at TLG Auto gusseted my rear sway bar mounts. The factory one had ripped out. They put in an NOS factory mount, then added a semicircular plate and filled in behind it with a few gussets. Now it is a seam-welded, ribbed steel box.

    Here is a factory 911ST reinforced mount. It looks very similar to my mount, now. I am using a Weltmeister 22mm rear sway bar, however. The extra roll stiffness definately makes turn-in sharper and the chassis rotates much quicker through to the apex. Lively, interesing, and fun handling.
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    1971 911S, 2.7RS spec MFI engine, suspension mods, lightened
    Early 911S Registry Member #425

  7. #7

    rear sway bar install

    We have made or used reinforced mounts when necessary, but in this case it is a standard 15 mm bar on a standard suspension car with ordinary street tires. I've yet to see this set-up rip out the mounts.
    Early S Registry member #90
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  8. #8
    Which body bracket is correct for a 71, the early SWB style shown here, or the newer style, which I am sure is correct for 72 and later. I am having a time of it with the poorly installed bar in my 71, which came from the factory without sway bars. The 71 uses the fuel pump console as the left side rear sway bar mount. My car has a really badly installed later style mount on the right side, which also seems to be misaligned. The parts catalog seems to say that I use the early style.

    Does anyone know for sure?
    Tom F.
    Long Beach, CA

  9. #9

    rear sway bar install

    Tom, without having the parts book in front of me I think the change over occurred with the pump relocation to the rear. I'll check the parts book tomorrow, and look under my 71 which has factory installed bars.
    Early S Registry member #90
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  10. #10
    Porsche Nut merbesfield's Avatar
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    Are the body brackets available for 68 SWB cars? If so from who? My car has the studs in the bananas, does that mean that someone has replaced them at some point in it's life or could the car have come that way from the factory?
    Mark Erbesfield
    2018 911 Carrera T 7spd manual 😊
    1973 911S #9113301282
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