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Thread: Sticky : how to AWD a mk1 caddy using ‘4Motion Haldex running gear’, for beginners.

  1. #21
    Years ago (when everyone was hounding me to 4wd my Caddy), I looked at and studied many different options, because, no matter how much I looked at the 4mo setup I knew I would be making to many compromises

    So my Goal was to build a bolt in subframe that would house the Haldex and keep the spring & damper contained within that unit (ie. not having to punch your way through the bed or rear arches), so it would all effectively bolt in and out and mount to all the Caddys current hardware.

    I looked everywhere at new and old stuff and never found anything that would be 100% suitable from a donor vehicle. The biggest problem being the Caddys narrow track!

    Out of all of what I found, was that the MX5/Eunos/Miata setup ticked a lot of boxes for me except for the struts as its a very square compact unit. But these could be replaced for coilover units and the bottom mount lowered so that you didnt have to go through into the bed area.

    From that I thought I would build my own custom subframe but largely based around the MX5 unit and hubs (which are 4x100 with discs). But alas, that never got off the drawing board!

    But since then a lad on here fitted an MX5 rear end and it looked like it worked out well on all fronts from memory, although it was on airbags. I cannot remember his name but a search should find the build thread.

    Here are some pics I have from when I was looking:

    mx5sub1.JPG

    mx5sub2.jpg

    This is along the lines of what I wanted to build

    mx5sub3.jpg

    The only question would be; will a Haldex fit in the cradle?!!?
    Last edited by Al; 26-09-2018 at 09:49 AM.

  2. #22
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    Quote Originally Posted by Al View Post
    Have you seen the pics of Harveys setup? He made a jig! But you would need berg arches for that!!
    Yes I have, that jig’s a great idea.

  3. #23
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    Thinking of maybe a reinforcement chassis, that’d attach to the new longitudinal braces, that would house the boxes.., that the trailing arms would attach to

    86FBF30D-69F8-4684-AD0E-8CA08FD23DD6.jpg

  4. #24
    Then there is the "new kid on the bock" which I also looked at.

    2k Caddy 4mo
    VW_Caddy_01.jpg

    This is something else that I studied when it was first launched in Europe a few years ago.

    The way I see it, there would be no more into making this fit as we did the old Atlas axles into Escorts back in the 80s. Tube & half shaft shortening and new spring saddles. The downside of this setup would be that it wouldnt be independent and has a lot of unsprung weight. BUT who cares, your only going in a straight line on a flat surface.

    Also the Caddys unit runs Haldex 4, so I dont know how/if this will work with aftermarket controllers

    Secondhand units are about €1000

  5. #25
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    hasnt your pal got an rx8 rear you can go round and collect

  6. #26
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    Quote Originally Posted by Al View Post
    mx5sub3.jpg

    The only question would be; will a Haldex fit in the cradle?!!?
    Those machined top arms are interesting

  7. #27
    Quote Originally Posted by 13 View Post
    Those machined top arms are interesting
    OTT perhaps!

    In all honesty, you could choose your hubs/uprights and build from there. It just depends on how much one-off fab work you want to do, modifying a MX5 subframe would be the easiest option

  8. #28
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    The beauty of using the mk1 Quattro set up too, is that it’s all contained underside..... no cutting through the wheel tubs to accommodate springs or shockers.

  9. #29
    Quote Originally Posted by Elroy View Post
    The beauty of using the mk1 Quattro set up too, is that it’s all contained underside..... no cutting through the wheel tubs to accommodate springs or shockers.
    This thread is misleading. What do you mean by "Quattro", because badges and actual mechanics are different?

    If you are referring to 4 Motion then we need to change the thread title.

    "Quattro" is longitudely mounted engine and gearbox as mounted in many Audis (except for TT's & A3's which are VW Platforms)

    "4 Motion" is transversly mounted engine & gearbox with a transfer box and Haldex rear differential

    Audi used the 4 motion layout in the cars above and re-badged it "Quattro", but its not Quattro by definition
    Last edited by Al; 26-09-2018 at 10:41 AM.

  10. #30
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    Quote Originally Posted by Al View Post
    OTT perhaps!

    In all honesty, you could choose your hubs/uprights and build from there. It just depends on how much one-off fab work you want to do, modifying a MX5 subframe would be the easiest option
    First principles. I've got a hub and a diff and an engine. everything inbetween... well....

  11. #31
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    Quote Originally Posted by Al View Post
    This thread is misleading. What do you mean by "Quattro", because badges and actual mechanics are different?

    If you are referring to 4 Motion then we need to change the thread title.

    "Quattro" is longitudely mounted engine and gearbox as mounted in many Audis (except for TT's & A3's which are VW Platforms)

    "4 Motion" is transversly mounted engine & gearbox with a transfer box and Haldex rear differential

    Audi used the 4 motion layout in the cars above and re-badged it "Quattro", but its not Quattro by definition
    Lol okay, people will know it as Quattro.... so no harm done, but if it annoys you that much change the title.

  12. #32
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    and don't forget to rose joint everything - because race car!

  13. #33
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    A quick google says that 4wd on a VW is ‘4motion’ and 4wd on an Audi is ‘Quattro’

  14. #34
    Quote Originally Posted by Elroy View Post
    A quick google says that 4wd on a VW is ‘4motion’ and 4wd on an Audi is ‘Quattro’
    Yes that's the branding/badge name I described above not the actual system!

    What you have is 4motion, if you tell anyone that knows that you have "Quattro" they will laugh at you behind your back

    Just as the same system is used in the Jeep Patriot which is called "freedom drive"

  15. #35
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    Come on elroy! how else does Audi appeal and sell teh same shit for 30% more to Audi drivers!

    use branding from the 80's

  16. #36
    If the words 4mo & quattro are mixed up, then no one will no what the fuck anyone is talking about as its misleading as I said, and as this thread is about "learning" then we need to get the fundamentals correct.

  17. #37
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    Ahhhhh..

    I get ya now... embarrassingly! Yep, change the title to ‘ how to AWD a mk1 caddy using 4motion running gear

    Thanks

  18. #38
    Thats better, we are all on the same page now

  19. #39
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    So is there such thing as a ‘Quattro’ set up then?

  20. #40
    Quote Originally Posted by Elroy View Post
    So is there such thing as a ‘Quattro’ set up then?
    Yes on Audi's that have longitude mounted engines, Ironcally the only VWs that had true Quattro was the B5 2.8 4Motion & W8 Passat and VW called it 4motion as thats the VW 4wd brand name


    Don Octaine has just gone over to true "Quattro" on his Polo, the clue is in the orientation of the engine

    don.jpg

    To get all that into a Caddy would need muchos fabrication

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