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| Dinnu Member Since: 24 Dec 2019 Location: Lija Posts: 3414   
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I went for NRC2119 for the rear of the Puma. I also added a spring isolator ANR2938G between spring and chassis.
See my comments on https://www.defender2.net/forum/topic75758.html Very good improvement in ride quality even though it is a CSW and the original springs were dual rate. I am still on the original dampers. 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing 2012 90 CSW, 2.2TDCI, Santorini Black |
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21st Feb 2021 5:44pm |
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| Jez676 Member Since: 24 Feb 2013 Location: North Devon Posts: 175  
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Thanks Dinnu,
Are they Range Rover classic springs? Did you change out the fro at on yours as well? Cheers Jez |
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21st Feb 2021 5:59pm |
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| Dinnu Member Since: 24 Dec 2019 Location: Lija Posts: 3414
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NRC2119 seem to be Discovery and RangeRover fronts. When I was searching for a good setup I used the table from this site:
http://www.red90.ca/rovers/springinfo.html The Lb/inch is how much weight in pounds will compress one spring by 1 inch. The lower the rating, the softer is the spring. 133lb/in is the lowest as offered by Landrover. If you go for a softer spring, you will need to compensate with free length else it will sit lower. My calculations were that a HT should sit within a few mm of the original height in NRC2119. If it is sitting a bit lower, can add the isolators. Gives about 10mm extra height. I have not replaced the fronts on mine, but just replaced the fronts on family members Defender He now has 150lb/in front and 175lb/in rear. And he is so happy with this setup compared to stock. One point to add.. I removed my front anti roll bar. It makes it better on rough roads. I do not use it at motorway speeds, so I cannot tell at speed. Body roll however is adversely affected. 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing 2012 90 CSW, 2.2TDCI, Santorini Black |
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21st Feb 2021 6:51pm |
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| AlexCW Member Since: 04 Mar 2020 Location: Staffordshire Posts: 67 
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My 110 had the HD springs, with the helper spring inside the normal spring. I've never gone near a tonne of weight in the back so the ride was very choppy. I've just changed the springs to the white/green/green springs with standard shocks and the difference is night and day.
Although, I've not tried the Alive comfort springs I did look at them but they seemed expensive for my budget so I went for the genuine Land Rover springs and Britpart shocks. I looked at the isolator as well but forgot about it by the time I fit them! Mine is a 110 Puma so will be different to yours, but hope that helps. Alex 2013 2.2 TDCi Puma Hard Top https://www.defender2.net/forum/topic72473.html |
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21st Feb 2021 7:49pm |
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| Jez676 Member Since: 24 Feb 2013 Location: North Devon Posts: 175
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Yes at £400 plus vat that’s a chunk of money even if they have incurred development costs.
I’ve messaged Extreme 4x4 as rafter lots of reading they appear to be well respected. I’m waiting for their response .. Also,Excuse my ignorance but what advantage does the isolator have on the ride? Many thanks for both of your suggestions! |
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22nd Feb 2021 4:33pm |
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| LandymanStefan Member Since: 30 Aug 2017 Location: Surrey Posts: 881  
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Changed the rear of my 90 to 2x NRC8044 with a spring isolator top and bottom. Very comfy ride but it was a bit wallowy so i fitted bilstein shocks and for me its perfect now
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22nd Feb 2021 9:02pm |
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| LandRoverAnorak Member Since: 17 Jul 2011 Location: Surrey Posts: 11324
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The isolators are not to improve the ride. They're designed to improve harshness. It's a subtle improvement but considering their minimal cost it's worth doing. 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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22nd Feb 2021 9:25pm |
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| Dinnu Member Since: 24 Dec 2019 Location: Lija Posts: 3414
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I think the isolators do not do much to the ride itself, but isolate high frequency vibration from axle and road wheels to be transmitted through the spring to the chassis. So should add comfort.
I also considered the NRC8044 springs, but since they are dual rate and no idea where the transition is, had no idea where the ride height would sit. Hence the single rate NRC2119. Admit that with 2 heavy adults in the back, it was sitting pretty low on the back.. but that does not happen very often and never for long distance. 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing 2012 90 CSW, 2.2TDCI, Santorini Black |
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22nd Feb 2021 9:33pm |
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