205 torsion bar & ARB upgrade questions
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Thread: 205 torsion bar & ARB upgrade questions

  1. #1
    Fellow Frogger!
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    Default 205 torsion bar & ARB upgrade questions

    I didn't realise that no-one could reply to posts in the Wanted section. (Thanks cam85 for letting me know). So I am moving my questions.

    Wanted thread here.

    Starting with a 205 SI drum rear beam, and will be swapping over 306 disc brakes. On advice I will keep the 205 trailing arms. I originally thought I needed to swap over the 306 arms too.

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    For a car being built for tarmac sprints/hillclimbs & targa. The car has cage and is seam welded - what is an an appropriate size torsion upgrade and ARB bar to go for?

    And more to the point of my wanted post, if it is unlikely that I will find anything in Australia - where is second best?

    Thanks.

  2. #2
    Fellow Frogger!
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    Well, if anyone is interested. With no responses of any available in Australia. There were a few options to purchase from the UK, and only one quickly confirmed he supplies hardened bars. If it helps anyone, I'm ordering

    From Axles by Stef;

    23mm torsion bar
    25mm ARB bar
    New bolt set

    From Baker BM

    End stops
    Torsion Bar Adjuster Screw
    Offset Washer

    From ECAR in Europe

    SNR bearing kit
    Pair of new shafts
    Seal kit etc

    Am I missing anything for a beam rebuild? Probably time to get my head around it and do the job!

  3. #3
    Fellow Frogger! flock's Avatar
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    Bushes if not done so already.

    May I ask what steered you away from 306 arms?


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  4. #4
    1000+ Posts PeterT's Avatar
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    306 arms have too much toe in, which dulls the 205 GTi driving experience.
    flock likes this.

    '92 205 Mi16
    '90 Mi16x4

  5. #5
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    Still plenty of sideways action on gravel.
    I actually find the Si to be a lot more responsive in the steering than the GTi.

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    1000+ Posts PeterT's Avatar
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    Quote Originally Posted by GRAHAM WALLIS View Post
    Still plenty of sideways action on gravel.
    I actually find the Si to be a lot more responsive in the steering than the GTi.
    How is that relevant to 306 arms?

    '92 205 Mi16
    '90 Mi16x4

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    Just that I've always found GTi handling to be not all that responsive. maybe I'm expecting too much.

  8. #8
    1000+ Posts alan moore's Avatar
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    Many years ago I got some oversized torsion bars for my 205 GTI made by King Springs on the Gold Coast. Don’t know if they would still have the details, but worth a call. Way back then they cost somewhere between $300 and $400 as a one off job.i got them made as 25mm figuring I could machine them thinner if necessary. I did think the 25mm bars were a bit heavy, but I never changed them.
    '56 Renault 750 (16TS Power)
    '62 Renault Dauphine Gordini
    '89 Renault Alpine GTA V6 Turbo
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    Fellow Frogger! flock's Avatar
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    Quote Originally Posted by GRAHAM WALLIS View Post
    Just that I've always found GTi handling to be not all that responsive. maybe I'm expecting too much.
    The GTI (especially without PAS) is not much fun below 60kmh and I would agree it doesnít feel very responsive . But above that, I find it really comes alive. Even with my B6s and GrpN strut tops on the front, the imperfections of the road arenít jarring and it feels very nimble, yet confident at higher speeds. It responds very predictably to resettling the suspension, when braking or adjusting throttle.


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  10. #10
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    Quote Originally Posted by flock View Post
    The GTI (especially without PAS) is not much fun below 60kmh and I would agree it doesn’t feel very responsive . But above that, I find it really comes alive. Even with my B6s and GrpN strut tops on the front, the imperfections of the road aren’t jarring and it feels very nimble, yet confident at higher speeds. It responds very predictably to resettling the suspension, when braking or adjusting throttle.


    Sent from my iPhone using aussiefrogs
    The Si has a 2.75 turns rack which helps a lot. I have worn 185 65 14 rally tyres on my Si at the moment and it is razor sharp at all speeds. The limit wouldn't be as high as a GTi though.

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