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Mar 25, 2020 22:32:07 GMT
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Hello,
Just wondering if there is anyone on the forum with a knowledge of interchangeability of parts between the Mk4 Golf and Mk1 TT?
Id like to do some suspension mods to my PD130 Golf using TT parts and need a bit more of a comprehensive parts list from someone who knows what they’re talking about. I’m happy I know the main bits, the theory and amcapable of doing the work, I just want to know what exactly I need to complete the mods properly.
Also worth mentioning before it’s suggested is that I have checked Golf and TT forums but the posts relating to my car and these mods are all very old, very out of date, and all those forums are full of know it alls who only want to prove they know more than you do and actually don’t care about helping you or answering the question! And for that reason, RR is the only forum I use. Though the Mk4 Golf is one of those odd cars that is old enough to be on here but not often seen very much so I don’t know how lucky I’ll be.....
I’ll go into more detail about what I need to know if there’s someone who can help, to save writing it all out!
Hope someone can help!
Alex
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I'd suggest you could compare part numbers on oemepc.com but that won't help. I have a TT, am on the TT forum and have always found it helpful, but I have no mods at all on mine so can't be any help on that front - anything I tell you will be just passed on from the TT forum.
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Mar 26, 2020 10:21:48 GMT
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There's various "ultimate" combinations of ARBs, wishbones, subframes, struts and topmounts from S3/TT/Cupra R models.
UK mkiv Forum seems pretty friendly, worth a dig through
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lrman
Part of things
Posts: 41 
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Mar 26, 2020 18:41:45 GMT
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Second chance what is it you want to achieve? Lowering? Firm ride? Longer lasting bushes? Knowing what you want will help us help you. I work for a Audi main dealer and the TT always rides the noisiest, firmest, hardest out of the platform range. It’s not to everyone’s taste.
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Mar 26, 2020 20:25:46 GMT
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TT wishbones is the only thing you need to upgrade to. the rest of it just needs the usual upgrades.
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ChasR
RR Helper
motivation
Posts: 10,191
Club RR Member Number: 170
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What he said above (XBL and mr2fc). The weight balance and payload of the cars will also make the dampers used on the Audi different to the Golf. One is a 5 seater, the other a two. Ford, for example even use different damper combinations depending on the spec of the car and also the wheel size specifed from the factory. I seem to recall when friends had theirs, ableit the 4WD versions, that stiffer ARBs were seen as a key mod, and dialled out alot of the factory understeer, along with a damper setup to something a little nicer  . |
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Apr 16, 2020 13:19:16 GMT
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Hello, sorry for the delay in replies, had a bit going on lately- completely took my focus away from the car!
To address the points raised above, what I am looking to achieve is a bette, firmer, more stable ride, and for the car to be better in the corners.
I would love to lower it, but its a PD, with the low slung sump and I've already taken one off before at standard ride height!
I have already fitted Audi TT solid wishbone bushes to the standard Golf wishbones, but am curious about fitting the solid wishbones from the TT, which I understand you can't do without also fitting some other components, such as the front hubs and ARB and drop links from a TT too.
I would also consider fitting lowering springs, of minimal lowness providing they are firmer than the standards.
I'm ex-VW dealer myself, but no longer work in the trade and a lot of my old contacts have moved onto newer things while I am still very much obsessed with my old mk4 Golf!
Hope that clears things up a little!
Alex
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Apr 16, 2020 14:50:29 GMT
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I used to have a GT TDI 150 which had 'sport' suspension from the factory.
Thicker ARB's are a good move, don't buy cheap coilies or lower too much as apart from the ride becoming worse they don't help that much. TT lower control arms are a good change , not the bushes on their own, as they are cast as opposed to pressed on the Golf.
I found fitting poly bushes firmed things up nicely without ruining the ride quality.
Fitted them in LCa's drop link on front, arb's. Lots of the Quattro models of TT stuff doesn't fit and everything else is pretty similar whether its Golf or TT.
I was on uk-mkivs and thought they were a decent bunch but that was a while back.
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Needs a bigger hammer mate.......
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Apr 16, 2020 16:07:55 GMT
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Thanks for that, mines a GT TDI PD130, so does have the sportier bits in it, I'm just getting a bit of body roll in corners which I want to try and rectify.
The car generally is due a bit of a freshen up this year, I've got brake upgrades, an FMIC, and a map all lined up and ready to go (it already has a few bits on), and I was hoping to address the suspension as well. As I say I have genuine factory solid rubber Audi TT rear wishbone bushes that I pressed into my Golf wishbones.
Its just really a case of knowing what I need, what I need in conjunction with it, and what model of car I need it from….
I don't want to go down the coilover route, I don't want to go silly low. From what I can figure out I need;
- Audi TT Wishbones
- Audi TT Balljoints
- Audi TT FWD hubs
- Audi TT FWD 180bhp ARB
- Audi TT FWD 180bhp drop links
- Some kind of Golf Mk4 lowering spring ( Maybe -15mm or so, thicker coils, lower spring rate) if such a thing exists…
Alex
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Apr 16, 2020 17:46:42 GMT
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Arb back and front will make a big difference to the body roll.
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Apr 16, 2020 21:10:44 GMT
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Arb back and front will make a big difference to the body roll. From which version of the TT? Thanks Alex |
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Apr 16, 2020 21:29:20 GMT
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Arb back and front will make a big difference to the body roll. From which version of the TT? Thanks Alex Mk4 golf gti should be beefier than the pd ones. Aftermarket ones are adjustable so you can make the arbs even stiffer |
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Apr 16, 2020 21:34:09 GMT
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If the current suspension and bushes are old then replacing them with stock items will significantly improve the ride. Get them from gsf/ecp with their discount codes are it'll be super cheap.
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Although my TT is pretty much standard, about the only mod I recall off the top of my head was a recommendation to swap the TT rear ARB for one from a Golf R32. This is from people who, largely, seem to want a rock-solid ride. I have an idea that, at the time, the cost of a new R32 ARB and bushes was about the same as buying TT bushes, so that might have played a part, and may no longer be the case.
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Apr 17, 2020 11:07:07 GMT
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Thanks all, its just really hard to find info on what the car has factory fit, what is compatible, and what is actually an improvement.
I'm inclined to think that if I am to fit any TT arts, they will need to be from a 2WD TT, as I know the geometry is slightly different on 4WD cars, even 2WD and 4WD Golfs are different, and even things like brakes aren't compatible.
So should I wish to upgrade the wishbones to TT ones, are they a straight swap? Or do I need hubs like I've been told before?
And as for ARBs, if I am to upgrade to a thicker/stiffer one from a Golf GTI, or a TT, or even go aftermarket like H&R or Eibach, is there an alternative/upgrade for the plastic ARB links that the Golf has as standard, I can't imagine they really do much good being made form that material…!
Thanks
Alex
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Apr 17, 2020 13:33:27 GMT
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IIRC merc Vito arb links fit, but not 100% on that
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Apr 17, 2020 19:07:32 GMT
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Thanks all, its just really hard to find info on what the car has factory fit, what is compatible, and what is actually an improvement. I'm inclined to think that if I am to fit any TT arts, they will need to be from a 2WD TT, as I know the geometry is slightly different on 4WD cars, even 2WD and 4WD Golfs are different, and even things like brakes aren't compatible. So should I wish to upgrade the wishbones to TT ones, are they a straight swap? Or do I need hubs like I've been told before? And as for ARBs, if I am to upgrade to a thicker/stiffer one from a Golf GTI, or a TT, or even go aftermarket like H&R or Eibach, is there an alternative/upgrade for the plastic ARB links that the Golf has as standard, I can't imagine they really do much good being made form that material…! Thanks Alex Ebay sells metal adjustable drop links for the golf if you do lower it. Replace the shocks, top mounts and bump stops and springs with genuine ones, powerflex dogbone gearbox mount, maybe replace the engine mounts, thicker arbs and it'll feel very different. I'd only replace the wishbones if the bushes are dead. Good tyres and brakes make a huge difference. Psb poly bushes are much cheaper than powerflex if you want to poly bush it. I'd keep in mind how much the car worth though. Maybe look at a mk5, much faster and fun car than the mk4. Especially as diesels will soon be kept out of town and city centres. |
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village
Part of things
Always carries a toolbox. Because Volkswagen.......
Posts: 567
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May 19, 2020 13:07:10 GMT
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if you're finding that 4wd don't fit yopu fwd Golf, maybe it's time to go 4motion......
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"The White Van is strong with this one...."
Chris "Chesney" Allen 1976-2005 RIP
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