 | Home > Maintenance & Modifications > 2" lift, more like 2mm lift |
 
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| LandRoverAnorak Member Since: 17 Jul 2011 Location: Surrey Posts: 11324  
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Red/red is HD. Standard is brown/purple.
http://www.red90.ca/rovers/springinfo.html Darren 110 USW BUILD THREAD - EXPEDITION TRAILER - 200tdi 90 BUILD THREAD - SANKEY TRAILER - IG@landroveranorak "You came in that thing? You're braver than I thought!" - Princess Leia |
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26th May 2017 1:21pm |
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| l3n0x Member Since: 03 May 2017 Location: Budapest Posts: 26  
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So I've already had a "lifted" Def?
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26th May 2017 1:26pm |
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| LandRoverAnorak Member Since: 17 Jul 2011 Location: Surrey Posts: 11324
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No, you've got heavy duty suspension, although that will give some lift over standard if your vehicle is particularly lightly loaded. Darren
110 USW BUILD THREAD - EXPEDITION TRAILER - 200tdi 90 BUILD THREAD - SANKEY TRAILER - IG@landroveranorak "You came in that thing? You're braver than I thought!" - Princess Leia |
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26th May 2017 2:02pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20376
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Rubber spring isolators may also be of interest they can add around 3/4" of lift per corner per pair to a spring. $W33T $0U7H3RN $UG4R
🇬🇧🏴🏴🏴🇮🇪🇺🇸⛽️🛢️⚙️🧰💪 |
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26th May 2017 3:32pm |
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| l3n0x Member Since: 03 May 2017 Location: Budapest Posts: 26
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Okay, so had a race (~500km off, ~400km onroad) this weekend with the new setup. Well the rear is perfect, really perfect. But the front.. Oh boy, has it bottomed out (the shock) a hundred times so easily when hitting anything at speed, hole or bump offroad.. On the road they are fine though. Don't know how to cure this - spring spacers? heavier springs? dual shocks at front? I'm feeling that I'd need a heavier and longer front spring - maybe a 90 rear spring.
 Click image to enlarge |
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29th May 2017 8:03am |
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| Kit Member Since: 12 Feb 2016 Location: Shropshire Posts: 1110 
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What 900KM race is this?
You can get air or regular "helper" springs which stop bottoming out: http://www.paddockspares.com/da5011-air-li...oCQOLw_wcB You can also get much more expensive hydraulic items as well from companies like King and D44: http://gigglepin4x4.net/d44--king-complete-package-341-p.asp 1993 200 Tdi 90 CSW 1956 Series 1 Hard-top 1958 Series 1 Soft-top |
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29th May 2017 10:52am |
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| l3n0x Member Since: 03 May 2017 Location: Budapest Posts: 26
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Thanks for the info! It's called the Budapest-Bratislava rally, goes mainly in Hungary, 2 days, around 50-60 participants, 90-120 geo locations / day, great fun:)
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29th May 2017 1:16pm |
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| MK Member Since: 28 Aug 2008 Location: Santiago Posts: 2416 
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For that use you probably need stiffer springs (HD OME 2" lift) and a set of king or fox shocks with adjustable compression (and rebound), so you can use also on road. Puma 110" SW
............................................................. Earth first. Other planets later |
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29th May 2017 3:44pm |
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| Kit Member Since: 12 Feb 2016 Location: Shropshire Posts: 1110
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HD springs aren't designed for rallying, they're designed for heavy loads. 1993 200 Tdi 90 CSW
1956 Series 1 Hard-top 1958 Series 1 Soft-top |
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29th May 2017 11:05pm |
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| MK Member Since: 28 Aug 2008 Location: Santiago Posts: 2416
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Not sure if it is a proper rally and the 110 does not look fit for rally anyway Puma 110" SW
............................................................. Earth first. Other planets later |
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29th May 2017 11:40pm |
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| l3n0x Member Since: 03 May 2017 Location: Budapest Posts: 26
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It's not a proper rally, but it's fun, and there are some rough terrains/speeds most of the time.
Anyways, Thinking about cheap options, I might swap the TF018 front springs for TF015 front's (which is the same rating, but ~30mm longer) and go from there. The next step would be the TF23V, but that's 30mm longer and has a rating of 300-340lbs/inch, compared to the 220lbs/inch of the current (or TF015)'s rate. Don't know if that's not too much of a step - however it would be nice to get it right the first (well second time). Also not sure if I can get away only with the longer (or longer & stiffer springs), or I also need new shocks, as the current ones still won't hold up for the "job", that is won't absorb the shock gradually, but let the spring compress until it can? |
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30th May 2017 8:35am |
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| Kit Member Since: 12 Feb 2016 Location: Shropshire Posts: 1110
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Better shock absorbers or helper springs otherwise your front end will start bouncing around everywhere at speed on rough ground 1993 200 Tdi 90 CSW
1956 Series 1 Hard-top 1958 Series 1 Soft-top |
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30th May 2017 8:38am |
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| l3n0x Member Since: 03 May 2017 Location: Budapest Posts: 26
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Just in theory..
Math: Drivers side Current spring (TF018): 230lbs/inch, 15,35" Force needed to fully compress: 14,902N More force needed to fully compress than the current one: 0N In percentage: 100% Heavy load front (TF015): 220lbs/inch, 16,93" Force needed to fully compress: 16,565 More force needed to fully compress than the current one: 1663N In percentage: 111% Medium load 90 rear put to front of 110 (TF023V): 300lbs/inch, 16,53" Force needed to fully compress: 22,059 More force needed to fully compress than the current one: 7157N In percentage: 148% So if I interpret it correctly, the TF015 springs needs 11% more force to fully compress, and the TF023V springs need 48% more force to compress fully than the current one installed. Well 11% sounds like it is surely not enough, while 48% seems to be overkill.. Noone seems to have a spring in the middle, yet I can't see people on forums complaining about shocks bottoming out, so I don't understand what's the matter with mine.. Can't believe others don't go fast (50km/h+) on bumpy off-road.. Ofcourse my math could be wrong, so I'm quite lost.. But don't wanna install helpers/other shocks if I can get away with choosing a better spring to the front ( I will have to do this either way, because the truck is now angled towards the front with the current setup ) |
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30th May 2017 11:05am |
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| benniferj Member Since: 20 Oct 2016 Location: Basingstoke Posts: 361 
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Its worth bearing in mind that the length of the spring uncompressed in some ways has little to do with its characteristic when a load is applied - a longer spring can compress easier than a short one.
Have you actually measured your sill height before and after? I have a similar setup on my 90 and the Terrafirma certainly lifted it more than the previous springs. In regards to your front dampers bottoming, what are they? I run +5 dampers (TF 4 stage) and had to put on +2 shock turrets as the top slider length is longer, making it bottom too early. I don't know if you have changed turrets or shocks as part of this upgrade but you may have missed another component that sorts this out. Edit: I believe the TF springs are progressive. Last edited by benniferj on 1st Jun 2017 10:26am. Edited 1 time in total |
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1st Jun 2017 9:22am |
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