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sqs haldex controller

Discussion in 'A3/S3 Forum (8L Chassis)' started by Colly, Aug 15, 2012.

  1. Colly
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    Colly The Tangerine Machine

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    [Aug 15, 2012]
    #1
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  3. <tuffty/>
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    <tuffty/> Badger 5 Edition Staff Member Moderator

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    [Aug 15, 2012]
    Designed for people running lots of power on non std ECU

    Pointless on a fairly std car... particularly on a road car as to be any use you will be in permanent AWD and that will give you the low speed dragging issues that people experience with dodgy pumps etc..

    I would waste your money on something else... :)

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  4. <tuffty/>
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    <tuffty/> Badger 5 Edition Staff Member Moderator

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    [Aug 15, 2012]
    Have a read of this... I have considered the competition unit HPA do which is a differnt unit to the blue controller most people have used...
    The Audi TT Forum :: View topic - Haldex Gen 1 Competition controller by HPA?

    The competition unit keeps the haldex lock under bracking too so it acts more like a torsion set up than the blue that releases haldex lock as you lift off or brake..

    <tuffty/>
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  5. Colly
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    Colly The Tangerine Machine

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    [Aug 15, 2012]
    Thanks tuffty I have been looking at the hpa haldex controller I just can't really afford the £650 would the sqs item not do the samething just a bit more crudely all I'm after full time 4wd if possible
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  6. rhys1210
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    rhys1210 Member

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    [Aug 15, 2012]
    It would make the car 4WD all the time but you dash would light up like a christmas tree. As the abs and traction control are all inter wired.
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  7. <tuffty/>
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    <tuffty/> Badger 5 Edition Staff Member Moderator

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    [Aug 15, 2012]
    The SQS is not a controller suitable for a fairly std road car IMO... if building a 500hp drag monster then maybe... I have nearly 400hp and 300ftlbs of torque and still on a std controller... I have not had a issue where the setup has been an issue... thats not to say it would not be improved by a blue or even the HPA controller but in terms of bang for buck its not high on the todo list at the moment...

    I prefer the idea of the HPA controller as this will bring it as close to torsion as it can be while still making all the elctronics happy with no flashing lights and a slew of fault codes...

    <tuffty/>
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  8. Colly
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    Colly The Tangerine Machine

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    [Aug 15, 2012]
    As close to full to,e 4wd is what I want . I think I might have to go for the hpa one tho


    thanks Tuffty I want to sort the 4wd before I go for big power as its too front wheel drive at the mo
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  9. Sam_
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    Sam_ Down under

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    [Aug 16, 2012]
    The HPA is commonly known as the "Orange". They often pop up for sale on VWVortex (along with the Blues).

    I have a blue but couldn't tell you a back to back as I fitted it soon after buying the car.
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  10. Colly
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    Colly The Tangerine Machine

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    [Aug 16, 2012]
    Is that vw vortex.com? I'll have to join that then thanks Sam
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  11. Sam_
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    Sam_ Down under

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    [Aug 16, 2012]
    Yep that's the one. There's usually plenty of tasty bits on there (along with some ****e). I've got quite a few bits cheap from there. Recently some Ground Control top mounts for a third of the new price. $50 later for new rose joints and they're good as new.
    #10
  12. Colly
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    Colly The Tangerine Machine

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    [Aug 16, 2012]
    Thanks I've joined it. Do you know what haldex controllers fit the 8l is the just the Mk1 TT, mk4 R32 and mk4 4 motions?
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  13. Sam_
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    Sam_ Down under

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    [Aug 16, 2012]
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  14. Colly
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    Colly The Tangerine Machine

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    [Aug 16, 2012]
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  15. <tuffty/>
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    <tuffty/> Badger 5 Edition Staff Member Moderator

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    [Aug 16, 2012]
    What do you call big power?

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  16. Colly
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    Colly The Tangerine Machine

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    [Aug 16, 2012]
    Late 300's really
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  17. <tuffty/>
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    <tuffty/> Badger 5 Edition Staff Member Moderator

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    [Aug 16, 2012]
    Gonna need to change your intercooler then...

    <tuffty/>
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  18. Colly
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    Colly The Tangerine Machine

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    [Aug 16, 2012]
    Why what's wrong with the forge one?
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  19. <tuffty/>
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    <tuffty/> Badger 5 Edition Staff Member Moderator

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    [Aug 16, 2012]
    Too small for big power... low 300's tops and even then there is pressure drop... been there and got the t-shirt bud...

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  20. Prawn
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    Prawn My other car is a MINI!!!!

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    [Aug 16, 2012]
    it's a load of **** :laugh:
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  21. Colly
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    Colly The Tangerine Machine

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    [Aug 16, 2012]
    Oh right might have to have a re think then. Can you not just run larger side piping to and from the cooler ?
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  22. <tuffty/>
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    <tuffty/> Badger 5 Edition Staff Member Moderator

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    [Aug 16, 2012]
    Yeah but the cooler is small and the inlet are 51mm... trust me I have been there... welly cooler or AH Fabs v2 for big turbo power...

    <tuffty/>
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  23. Colly
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    Colly The Tangerine Machine

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    [Aug 16, 2012]
    Ah right thanks are they good enough for a hybrid then?
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  24. Prawn
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    Prawn My other car is a MINI!!!!

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    [Aug 16, 2012]
    Not really mate, they're not much use for anything beyond a st2 ko4. I'd even question that really. standard S3 pipework is 60mm, so 51mm pipes on an 'uprated' part are just a joke.
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  25. Colly
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    Colly The Tangerine Machine

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    [Aug 17, 2012]
    Could you get round this by using wmi?
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  26. <tuffty/>
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    <tuffty/> Badger 5 Edition Staff Member Moderator

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    [Aug 17, 2012]
    You are missing the point... it's not it's ability to cool it's the ability to flow thats the issue... wmi will make no difference... the forge fmic is no use for big power... there is a massive thread on suitable fmic's in the stickies and I have fully documented issues I had with small fmic's in my build thread...

    <tuffty/>
    Last edited: Aug 17, 2012
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  27. Colly
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    Colly The Tangerine Machine

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    [Aug 17, 2012]
    Ah right thanks
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  28. <tuffty/>
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    <tuffty/> Badger 5 Edition Staff Member Moderator

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    [Aug 17, 2012]
    Here is a plot of my early setup using a small intercooler.... the graph to look at is the boost (bottom right)... you can see the orange boost line spike (measured at the turbo) and the red line is manifold pressure... a decent FMIC will have the turbo pressure line follow the manifold one but of course be a little higher as there will always be a degree of pressure drop across the systems...
    [​IMG]

    Not got a print out of an 'after' but fitting the AH v2 sorted this problem

    <tuffty/>
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  29. Colly
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    Colly The Tangerine Machine

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    [Aug 17, 2012]
    Thanks I remember reading this now it wasn't going to be a problem as I was wanting to stay sub 300 or hybrid at the most, it's only the last few weeks I've thought of going big turbo
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  30. <tuffty/>
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    <tuffty/> Badger 5 Edition Staff Member Moderator

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    [Aug 17, 2012]
    Forge FMIC is fine for stage1/2 imo... its most certianly an imporvement of the SMICs... the AH v1 is similar to the Forge and performs in the same sorta way... but 51mm inlets when the rest of the pipework is 60mm is always a compromise and back when Forge was the only option then it was what it was...

    It will sell easily enough when you are ready to go to the next level...

    <tuffty/>
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