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Thread: 50/50 haldex mod

  1. #121
    Andrew@A.L.D's Avatar
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    Sorry bit of a mix up

    facelifts should be a cir clip ( 2000 on )

    pre facelift should be threaded insert ( 1999/2000 ish )

    you will need to get under the car to find out
    Was 531bhp 8L S3 thats going to break the 600+ bhp Club then break something else. Lets see what this OD HTAGT3582r can do
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  3. #122
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    So ill need the threaded one then.
    Driving the most secretive S3 on ASN

  4. #123
    Andrew@A.L.D's Avatar
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    yes
    Was 531bhp 8L S3 thats going to break the 600+ bhp Club then break something else. Lets see what this OD HTAGT3582r can do
    My S3 Twists Drive shafts for fun.

    FOR SALE
    Sparco Torino 2 sport seats
    Adjustable FPR from 1-5 bar, 2 sets of Unused ARP 3/8 2000 rod bolts
    , relentless 200 cell cat pipe, Std AGU Crankshaft. Ported & Reconditioned Cylinder head service.

  5. #124
    phil miller's Avatar
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    and i need a cir clip one

    Great stuff andrew
    ​Wish Rachel would let me have my TDI mk5 back


  6. #125
    jojo's Avatar
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    I'd like a switchable haldex from inside the dash, on or off. Can't be hard to wire the earth wire into the dash with a rocker switch. Call it the eco switch.
    Westy likes this.


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  7. #126
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    Quote Originally Posted by jojo View Post
    I'd like a switchable haldex from inside the dash, on or off. Can't be hard to wire the earth wire into the dash with a rocker switch. Call it the eco switch.
    This does sound like a good idea. Like a "race mode" or "snow mode"
    m19lte likes this.
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  8. #127
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    Would 50:50 be ok with minimul road use? Or would a switchable unit still be better?

  9. #128
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    Quote Originally Posted by Westy View Post
    This does sound like a good idea. Like a "race mode" or "snow mode"

    Im liking the sound of this, maybe use one of the spare switch houses by the ESP switch
    ​Wish Rachel would let me have my TDI mk5 back


  10. #129
    Andrew@A.L.D's Avatar
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    It will be a switch altering the hydraulic pressure to the haldex clutch
    Was 531bhp 8L S3 thats going to break the 600+ bhp Club then break something else. Lets see what this OD HTAGT3582r can do
    My S3 Twists Drive shafts for fun.

    FOR SALE
    Sparco Torino 2 sport seats
    Adjustable FPR from 1-5 bar, 2 sets of Unused ARP 3/8 2000 rod bolts
    , relentless 200 cell cat pipe, Std AGU Crankshaft. Ported & Reconditioned Cylinder head service.

  11. #130
    Gops's Avatar
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    Nice!
    Quote Originally Posted by <tuffty/> View Post
    its either mapped or broken...

  12. #131
    phil miller's Avatar
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    Andrew any idea on price's yet?
    ​Wish Rachel would let me have my TDI mk5 back


  13. #132
    Andrew@A.L.D's Avatar
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    No idea yet sorry
    Was 531bhp 8L S3 thats going to break the 600+ bhp Club then break something else. Lets see what this OD HTAGT3582r can do
    My S3 Twists Drive shafts for fun.

    FOR SALE
    Sparco Torino 2 sport seats
    Adjustable FPR from 1-5 bar, 2 sets of Unused ARP 3/8 2000 rod bolts
    , relentless 200 cell cat pipe, Std AGU Crankshaft. Ported & Reconditioned Cylinder head service.

  14. #133
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    Lets see what happens with this one first.. Jo, if you take your old haldex off, can I nick the wire? Saves me snipping my wire off again lol
    Quote Originally Posted by <tuffty/> View Post
    its either mapped or broken...

  15. #134
    Andrew@A.L.D's Avatar
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    I've come up with a new idea that's like the YHW insert and will be much cheaper to make

    will be as cheap as £30 inc p&p the modified versions with a switch will be much more.
    jojo likes this.
    Was 531bhp 8L S3 thats going to break the 600+ bhp Club then break something else. Lets see what this OD HTAGT3582r can do
    My S3 Twists Drive shafts for fun.

    FOR SALE
    Sparco Torino 2 sport seats
    Adjustable FPR from 1-5 bar, 2 sets of Unused ARP 3/8 2000 rod bolts
    , relentless 200 cell cat pipe, Std AGU Crankshaft. Ported & Reconditioned Cylinder head service.

  16. #135
    Westy's Avatar
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    Looking forward to some test results. Might even be able to get a decent 4wd dyno graph with 50/50 haldex.
    8P A3 TDI - 220bhp - 335lbft
    A3 Maintenance Thread
    Bye bye S3 you will be missed.
    S3 Build Thread







  17. #136
    Sam_'s Avatar
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    Quote Originally Posted by Westy View Post
    Looking forward to some test results. Might even be able to get a decent 4wd dyno graph with 50/50 haldex.
    Nah, not if it's still electronically controlled. I've got the blue (so 50/50) and it still has a hissy fit on the dyno.

    This will be a nice cheaper alternative to the blue/orange controllers. Just hope it doesn't bind up at low speed like the orange or the insert.
    Handling mods++. GTX30 soon-ish. Hiding parts from the mrs since 2011. Build thread

  18. #137
    Andrew@A.L.D's Avatar
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    Mines not going to be that fancy
    s3dave likes this.
    Was 531bhp 8L S3 thats going to break the 600+ bhp Club then break something else. Lets see what this OD HTAGT3582r can do
    My S3 Twists Drive shafts for fun.

    FOR SALE
    Sparco Torino 2 sport seats
    Adjustable FPR from 1-5 bar, 2 sets of Unused ARP 3/8 2000 rod bolts
    , relentless 200 cell cat pipe, Std AGU Crankshaft. Ported & Reconditioned Cylinder head service.

  19. #138
    chaz20vt's Avatar
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    When will this be ready and tested then Andrew
    Believe i need the threaded type

  20. #139
    Westy's Avatar
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    Quote Originally Posted by chaz20vt View Post
    When will this be ready and tested then Andrew
    Believe i need the threaded type
    Let's give Andrew a chance! This was only an idea till a few weeks ago and we've not even seen any test results. This could chew up a rear diff in 100 miles for all we know.

    Lets just sit back and wait for updates
    8P A3 TDI - 220bhp - 335lbft
    A3 Maintenance Thread
    Bye bye S3 you will be missed.
    S3 Build Thread







  21. #140
    Andrew@A.L.D's Avatar
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    I need the thread type insert to copy from
    Was 531bhp 8L S3 thats going to break the 600+ bhp Club then break something else. Lets see what this OD HTAGT3582r can do
    My S3 Twists Drive shafts for fun.

    FOR SALE
    Sparco Torino 2 sport seats
    Adjustable FPR from 1-5 bar, 2 sets of Unused ARP 3/8 2000 rod bolts
    , relentless 200 cell cat pipe, Std AGU Crankshaft. Ported & Reconditioned Cylinder head service.

  22. #141
    Andrew@A.L.D's Avatar
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    50/50 isn't good for are cars for everyday use, race and drag really


    i do plan to make a simple mode that gives 70/30 split to save the diff and to make it better to drive at low speed

    also looking into a simple under car adjuster one
    Was 531bhp 8L S3 thats going to break the 600+ bhp Club then break something else. Lets see what this OD HTAGT3582r can do
    My S3 Twists Drive shafts for fun.

    FOR SALE
    Sparco Torino 2 sport seats
    Adjustable FPR from 1-5 bar, 2 sets of Unused ARP 3/8 2000 rod bolts
    , relentless 200 cell cat pipe, Std AGU Crankshaft. Ported & Reconditioned Cylinder head service.

  23. #142
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    Anything more for everyday use and there will be rear diffs sh!tting themselves all over the country. 60/40 at a push or 70/30 would be the winner i think.

    Cactus green 8L S3 - B5 TIP + Jetex, Revised 007p, R32 rear ARB, AP Coilovers, Compbrake rear arms, Full Powerflexed dogbone.

  24. #143
    Andrew@A.L.D's Avatar
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    I can make my own sort of insert as a kit that gives you a option of 50/50, 60/40, 70/30
    Jason.s likes this.
    Was 531bhp 8L S3 thats going to break the 600+ bhp Club then break something else. Lets see what this OD HTAGT3582r can do
    My S3 Twists Drive shafts for fun.

    FOR SALE
    Sparco Torino 2 sport seats
    Adjustable FPR from 1-5 bar, 2 sets of Unused ARP 3/8 2000 rod bolts
    , relentless 200 cell cat pipe, Std AGU Crankshaft. Ported & Reconditioned Cylinder head service.

  25. #144
    Westy's Avatar
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    Quote Originally Posted by Andrew@A.L.D View Post
    I can make my own sort of insert as a kit that gives you a option of 50/50, 60/40, 70/30
    Or pull the haldex fuse for FWD A3 mode....
    Sam_ likes this.
    8P A3 TDI - 220bhp - 335lbft
    A3 Maintenance Thread
    Bye bye S3 you will be missed.
    S3 Build Thread







  26. #145
    Andrew@A.L.D's Avatar
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    Quote Originally Posted by Westy View Post
    Or pull the haldex fuse for FWD A3 mode....
    good for burn outs to get heat into the tyres for 1/4 miles
    Westy likes this.
    Was 531bhp 8L S3 thats going to break the 600+ bhp Club then break something else. Lets see what this OD HTAGT3582r can do
    My S3 Twists Drive shafts for fun.

    FOR SALE
    Sparco Torino 2 sport seats
    Adjustable FPR from 1-5 bar, 2 sets of Unused ARP 3/8 2000 rod bolts
    , relentless 200 cell cat pipe, Std AGU Crankshaft. Ported & Reconditioned Cylinder head service.

  27. #146
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    So it's going to be locked at a ratio and no longer controlled?
    Handling mods++. GTX30 soon-ish. Hiding parts from the mrs since 2011. Build thread

  28. #147
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    Quote Originally Posted by Westy View Post
    FWD A3 mode....
    "Slayer" mode
    jojo and Westy like this.
    Handling mods++. GTX30 soon-ish. Hiding parts from the mrs since 2011. Build thread

  29. #148
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    Quote Originally Posted by Sam_ View Post
    So it's going to be locked at a ratio and no longer controlled?
    it will still be controlled but it will run at say 70/30 then you will floor it and the haldex will take over giving you 50/50 then return back to 70/30

    its a simple system hydraulic system with complicated electronics
    Was 531bhp 8L S3 thats going to break the 600+ bhp Club then break something else. Lets see what this OD HTAGT3582r can do
    My S3 Twists Drive shafts for fun.

    FOR SALE
    Sparco Torino 2 sport seats
    Adjustable FPR from 1-5 bar, 2 sets of Unused ARP 3/8 2000 rod bolts
    , relentless 200 cell cat pipe, Std AGU Crankshaft. Ported & Reconditioned Cylinder head service.

  30. #149
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    This sounds good to me

  31. #150
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    Typically german built!!

    All sounds interesting. Don't suppose a4 have this kind of adjustment?

  32. #151
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    A4 quattros dont have haldex..They have full time 4wd and a center diff.

    Cactus green 8L S3 - B5 TIP + Jetex, Revised 007p, R32 rear ARB, AP Coilovers, Compbrake rear arms, Full Powerflexed dogbone.

  33. #152
    TDIQ's Avatar
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    Very very interesting stuff. So the insert will give a 70/30 split and when the haldex would usually engage there'll be a 50/50 split? If so I'm definitely interested in purchasing one when available!!
    '02 A3 TDI quattro sport

    8L IS DE BEST

  34. #153
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    Be interesting if 60/40 gives enough slip for cornering in the remaining 10%

  35. #154
    phil miller's Avatar
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    still very very interested in this, and as soon as its ready i will have one for sure
    ​Wish Rachel would let me have my TDI mk5 back


  36. #155
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    Quote Originally Posted by Gops View Post
    Jo, if you take your old haldex off, can I nick the wire? Saves me snipping my wire off again lol
    Unfortunately not Gops, I'm 90% sure it's a connector problem on my car(no comms on VCDS), and I want to keep the standard one as spare if the performance one decides to die on me.


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  37. #156
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    At the risk of looking thick. Ive never understood how you can split power say 70:30 . How does it work? How are the rears doing anything if the frontw have more power to them. Probably obvious but id love to understand this. Also persumably if you went for a 50:50 insert the haldex would lose any control? Thanks guys, daz

  38. #157
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    Jojo... What issues do you have ?
    Noggy Blue 2001 S3

    I ask questions because i change my mind so much. If i ask questions you have already covered... just leave it be?

  39. #158
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    Does anyone know what's going to happen to the haldex when its at 70/30 and you doing 140km/h.
    I read the OEM setup turns off after 100km/h.

  40. #159
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    Surely if you have a 70:30 split this is causing the clutch plates in the haldex to continually slip, surely this will cause more wear?
    2003 S3 BAM 225 Dolphin grey, Silk Nappa Leather, Bose, Cruise control.

    Mods; custom code stage 1, S3 8P gear knob, pipercross panel filter, APR diverter valve, Forge TIP, Powerflex bushes, R32 rear anti roll bar, spacers F 15mm R 20mm, haldex race controller, Bilstein b12 pro kit, Porsche 996 turbo brakes.

  41. #160
    Andrew@A.L.D's Avatar
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    SQS Racing sell these that get rid of the controller completely and can be fine adjusted from 50/50 down to 100/0

    SQS Racing | Haldex Regulator

    I sure they would mention the problems of having it set on full down to 70/30 etc

    How to people go about the Haldex when fitting them into Mk1/2 Golfs and other car?

    I know you can over heat the Haldex pump if you run them constantly for long periods of time, Keeping the Haldex oil cool is a good start when doing this
    Was 531bhp 8L S3 thats going to break the 600+ bhp Club then break something else. Lets see what this OD HTAGT3582r can do
    My S3 Twists Drive shafts for fun.

    FOR SALE
    Sparco Torino 2 sport seats
    Adjustable FPR from 1-5 bar, 2 sets of Unused ARP 3/8 2000 rod bolts
    , relentless 200 cell cat pipe, Std AGU Crankshaft. Ported & Reconditioned Cylinder head service.

 

 
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