Suspension Brakes 1st Gen AST Shock Failure

Discussion in 'Tuning and Performance' started by roach13, Jun 21, 2009.

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  1. roach13

    roach13 New Member

    May 14, 2009
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    Parts are on the way. JRZ coil overs, hyper coil springs, new camber plates adj. sway bar end links. Going to put a bigger sway bar on the front and replace the control arm bushings. Get it realined and corner balanced again. Was running -2.7 camber in the front and -1.7 rear might go to -3 and -2 degs.

    Will be back on the track by Aug 22nd

    Not sure what I'll do with the AST's swift springs and old camber plates. If anybody's interested PM me also have the set of stock shocks and springs plus a set of TSW springs around here someplace.

    .
     
  2. goaljnky

    goaljnky New Member

    Apr 7, 2009
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    why do you want a bigger sway bar on the front?
     
  3. roach13

    roach13 New Member

    May 14, 2009
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    I think it's to get the car to rotate better. Also because you have to drop the subframe to replace the bushing it's easy to install.
     
  4. goaljnky

    goaljnky New Member

    Apr 7, 2009
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    I bigger sway bar will induce under steer. It will not get it to rotate better. I might be wrong on that, but I don't think so.
     
  5. Alan

    Alan Active Member

    May 6, 2009
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    You are correct sir.

    Stiffer front suspension means more understear - the car will tend to push instead of rotate. This can be induced by stiffer front sway bar, stiffer front shocks, or stiffer front springs. Assuming no change to rear suspension.

    Alan
     
  6. roach13

    roach13 New Member

    May 14, 2009
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    Parts are here. Will take the car down tomorrow and get it all installed and set up. This set up looks several grades above what is on it now, much I guess it should for the price difference.
     
  7. roach13

    roach13 New Member

    May 14, 2009
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  8. BThayer23

    BThayer23 Well-Known Member

    Jun 12, 2009
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  9. cct1

    cct1 Well-Known Member
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    May 5, 2009
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    Looks like a bicycle pump. You sure they sent you the right stuff?:D
     
  10. roach13

    roach13 New Member

    May 14, 2009
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    Set up works great. Got my BMW club racing license.
     
  11. Way Motor Works

    Way Motor Works New Member

    May 4, 2009
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    Glad it worked well, sorry I didn't get to make it over this weekend. Too busy with "stuff"
     
  12. roach13

    roach13 New Member

    May 14, 2009
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    Looking at the old set up,the reason it failed the shaft banged into the inside of the camber plate you could see the marks. The shaft is probably at it's weakest where it was hitting and after time just broke.
     
  13. KC Jr 54

    KC Jr 54 New Member

    Jun 3, 2009
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    From my very short experience with IE camber plates, they are exactly as PGT says, POSes. Especially after holding the Vorshlag setup and actually installing them on a friends Cooper. My personal car has IEs adjustable and hopefully they dont cause permanent damage of any kind while i am waiting for the TSW plates to be released. Few weeks back while picking up the Vorshlag plates directly from them, they mentioned that they are now in a situation in refusing to sell the AST 4200 struts to Mini owners. The fronts arent much of an issue if the right plate is used, but the rear "as very odd side binding and is most likely the cause of the failure in that area."

    With that the KW/Vorshalg combo is VERY nice, and was like butter to install.
     
  14. Bimmer Lite

    Bimmer Lite New Member

    May 5, 2009
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    NJ
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    CONGRATS!!!!!!:cornut:

    Did you meet my friend Jeff, running a beige E30 sedan? He was there, too.

    Which class do you intend to run?

    - Marc
     
  15. roach13

    roach13 New Member

    May 14, 2009
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    Did he crash on the last lap of the practice race? I brown E 30 was in the wall at the top of the tunnel turn. I'm not sure where the car fits class wise.
     
  16. Bimmer Lite

    Bimmer Lite New Member

    May 5, 2009
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    Oh man, I hope not. I haven't heard from him since the weekend.
     
  17. beaner

    beaner New Member

    May 5, 2009
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    i'm pretty sure your friend, jeff, crashed. doesn't sound too bad.
    see thread: [ame=http://forums.bimmerforums.com/forum/showthread.php?t=1245413]Barber CR school Aug 22-23 - Bimmerforums - The Ultimate BMW Forum[/ame]

    roach: glad to hear you got your comp license. get the BMWCCA CR rule book and the NASA rule book and figure out where you will end up. you can certainly find a spot in one of the GTS classes w/ NASA. i'm not sure where you are might be in BMWCCA. hope to see you on a track soon.
     
  18. roach13

    roach13 New Member

    May 14, 2009
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    [​IMG]


    The camber plate you can see the gouges (silver grooves) where the shaft was hitting.
     
  19. roach13

    roach13 New Member

    May 14, 2009
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    [​IMG]


    Broken coilover.
     
  20. PGT

    PGT Wheel Whore

    May 4, 2009
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    IR camber plates suck. I had a set for a few months
     

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