205 Si Torsion Bars
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  1. #1
    1000+ Posts PeterT's Avatar
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    Default 205 Si Torsion Bars

    Can anyone tell me what size torsion bars the Si has?

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    '92 205 Mi16
    '90 Mi16x4

  2. #2
    Fellow Frogger!
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    Put the tape across and beady eyed it at 18mm. Sorry not home so no verniers but not far out sir Peter did you see the parts add looking for the xu10 mi down pipe I said you have first dibs cause you were waiting for me to remove. I have if you not want he gets ok We solved the access to it flipped it

  3. #3
    1000+ Posts PeterT's Avatar
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    Thanks for looking, but I need to know to at least 0.25mm accuracy. The stiffness of the bar is proportional to the 4th power of the diameter. A GTi bar is 18.9mm for example.

    Also, thanks for remembering me in regards to the 2L downpipe. That was a very long time ago. I ended up making one.

    '92 205 Mi16
    '90 Mi16x4

  4. #4
    Fellow Frogger!
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    Ha all good travelling home tomorrow can put vernier across one that's on bench Figured that with pipe but dibs is dibs regards. Fish the inlet cam is sitting quietly awaiting post to you.

  5. #5
    Fellow Frogger! 1pugnut's Avatar
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    My spare parts si measures 17.96mm so call it 18mm

    series 2 405 mi16
    205 si
    series 1 205 gti
    series 3 205 with a gti6 motor project
    1970 404 ute 504 ti motor project
    parts cars 2 205 si's 306 sedan
    2004 206 gti180

  6. #6
    Fellow Frogger!
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    Put vernier across the si torsion bar at 18.55mm today checked gti ones at 18.9 or a shade under. Thought 18.85 Regards fish

  7. #7
    1000+ Posts PeterT's Avatar
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    Thanks, it would seem there are different versions, confirming what the parts book says.

    '92 205 Mi16
    '90 Mi16x4

  8. #8
    Fellow Frogger! 1pugnut's Avatar
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    Peter, I measured a second SI that I have at work and they were 18.25

    series 2 405 mi16
    205 si
    series 1 205 gti
    series 3 205 with a gti6 motor project
    1970 404 ute 504 ti motor project
    parts cars 2 205 si's 306 sedan
    2004 206 gti180

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