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My pants got tighter
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I'm trying very hard not to ask about the specs...
I would see if I can do some kind of clear heat shrink or wrap on the canisters and shock socks, at least for the front strut. Gotta protect that beautiful finish. |
what rear brake calipers are you running? did the bias noticeably change from stock?
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I have come back to this thread a few times just to look at the pics. And will probably come back some more.
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Sure. $1000 coils are relative to $1000 coils, but they're literally not even as good as the factory dampers. So comparing garbage to garbage still leaves you with garbage.
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I haven't noticed any difference in bias, but it would also be hard to differentiate between the effect of new/changed front disks, callipers, pads, tyres etc over the development life of the car. Lyndon |
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Lyndon |
Well, i guess bias change in absence of brake torque dyno rig can be checked only very roughly, on eg. skidpad with switched off abs, when one end frequently locks up before the other, if it is similar to stock bias or not.
Safest way, if car is not running something like differently staggered tiresize or noticeably different aero downforce front/rear setup, or staggered brakepad choice, is simply to not perform any brake retrofit on one end, not designed for particular car or with particular specific other brakes on other in mind. Both cases, when brake bias deviates noticeably from stock, will introduce issues. Be it underbraking due one end locking much sooner and thus increased braking distances, be it stability loss due one end locking. It may matter less for one only daily driving theirs with all nannies on, never on grip limit, but if performance or sport or on reduced grip pavement (such as gravel roads or on snow/ice) driving is in mind, i wouldn't want braking subsystem be compromised. From pic it looked as if you had essex apr fronts? AFAIK those were designed to keep brake bias stock if paired with stock rear brakes. As fronts are ones usually doing most braking, there won't be much lost if rears will stay stock, not heat capacity wise, not wear wise (eg. i usually wear front:rear pads as 2:1, which should illustrate little wear/heat put in rears). In your place i'd probably put stock rear brakes back instead of those STI ones. |
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I've driven with this exact brake set up now for 3 years and been extremely happy with it, and no one else who has driven the car has made any mention of bias issues... so I don't quite understand your reasoning as to why you would change the rears back to the original disks now? Lyndon |
Because apart from having better looking caliper i see no gains of. Several gains for OE rears though, eg. better wheel clearance (matters, if for offroading one tries to fit some 15"-16", though possibly non issue, as wheel set probably will be same on all four corners, and there might be reduced clearance in front already due APR front BBK), ability to use OE parts on it (sometimes for example aftermarket pad selection is better for specific OE calipers then for specific BBK), and assurance that brake bias is as manufacturer intended (with possibly better braking distances, not possible stability issues, nannies are also designed around expecting bias) and around which possibly some aftermarket suspension or aero parts are designed of. If extra heat capacity in rears are not that needed (main actual benefit of BBKs) see no sense to change them out 'just because'. Or if changing, then to kit that is designed to keep bias same.
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I promise this is my last self indulgent picture post of my latest fixation!
A lovely little box was part of the shipment, packed with the camber 'bushings', (all laser engraved with their settings), and the little rebound/compression adjustment tools. The other thing that caught my eye was the lovely custom lower rear mounts, and their O ring seals. Lyndon |
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Lots of rebound damping with a soft spring is bad. Lots of compression damping....done correctly....can be quite good with a soft spring. Also a rally car shock dyno with good compression damping does not look the same as a track car shock dyno with good compression. - Andrew |
Andrew: i wonder to which optimum "daily driving" damping is closer then, to "rally" valving or "track".
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Rear callipers are OE (for STI 08-12), so pad choice is wide, parts easily available. Is 'manufacturer intended' bias is a good fit for all driving and/or drivers? I'm not interested in aftermarket suspension that 'relies' on standard rear brakes. I'm definitely not interested in 'aero' that 'relies' on standard rear brakes. Stopping distances/performance is superior to the standard braking system. ABS still works perfectly. Car is stable under brakes. Other nannies are already compromised, and are switched off. The rears have greater thermal efficiency than the standard system. Nothing on the car has been done 'just because', everything has been assessed on the basis of improving function, saving weight and/or increasing the desire to actually want to drive the car. All 'set ups' are a compromise, whether standard or modified, so to suggest that the manufacturers broad compromise is better for me than my own personalised 'set up' doesn't make a lot of sense. However, if you like the compromises that are required in selling a car at a price point to a huge range of drivers and driving situations, then that's great. Lyndon |
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I keep coming back to this thread to look at photos. Have not been disappointed yet.
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Nice pictures.
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Even the shims look fancy. lol
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...can't help myself, sorry...
I just want to share some of the quality of work the Dutch company did during their build. The custom front outer casings showing the difference in the collar thread locations: |
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The custom TPX outer casing components which were then tacked in place so the 4 units could be test fitted to a donor car they found on the other side of the country to them:
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The test fitting on a donor car.... and then the final welds....
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Completed and showing all the final components before shipping.
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And the icing on the cake... unknown to me he custom made his own top spring perches, bushes and mounting hardware for the DIFtech rear shock hats kit that I had sitting here in Australia.
Then the utter joy of everything fitting together perfectly when it arrived here on the other side of the world. ...and all of that is why even though they cost a bomb, I think they are actually genuinely good value, taking into account the time, effort, enthusiasm and quality of the construction. |
https://www.ft86club.com/forums/atta...1&d=1585923531
If I told you that you have a nice body, would you hold it against me? |
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Whatever happened to the updated Ohlins R&T kit that was supposed to come out?
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I know the BMW "Dedicated R&T" kits are in production but that was also done in partnership with a large Ohlins distributor, 3DM Motorsports. It's a shame because it really fills the large hole in the market where people want more track focused Ohlins coilovers without re-valving/re-springing the standard kit. |
We've done plenty of custom Ohlins with firmer springs and damping, all through Ohlins NA. The cost does add up when you do custom damping, so an off the shelf kit from them would be nice for the more track focused kits. Haven't heard anything about it from them yet though.
- Andrew |
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