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Greg L



Member Since: 30 Sep 2013
Location: Alexandria
Posts: 46

Scotland 2000 Defender 90 Td5 SW Epsom Green
td5 90 spring codes
Hi does any one have the codes for standard height springs and where they go, preferrably the standard heavy duty springs as I have a winch up front
Post #273525 13th Oct 2013 9:02pm
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Lou Sparts



Member Since: 15 Apr 2012
Location: Kent
Posts: 1501

United Kingdom 2005 Defender 90 Td5 XS CSW Zambezi Silver
Standard rear springs are the same as heavy duty front springs. I fitted these on my previous 90 when i fitted a winch up front as it was sitting a bit low on the standard fronts. 2005 Td5 90 XS

Steve
Post #273526 13th Oct 2013 9:06pm
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Greg L



Member Since: 30 Sep 2013
Location: Alexandria
Posts: 46

Scotland 2000 Defender 90 Td5 SW Epsom Green
I ask this cause I bought new springs and front seems to sit higher than rear

this is the set up front
driverside NRC9448
passengerside NRC 9449

Rear
driverside RKB101230
passenger RKB101240

ideally would like rear to sit higher
Post #273530 13th Oct 2013 9:16pm
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Anderzander



Member Since: 08 Feb 2011
Location: Lancashire
Posts: 999

United Kingdom 
Ahh - you have the new numbers for the rear springs - I'm not sure what they are.

The older td5 listing is:

90 (2400 Kg)
Part No.
Colour Code
Front - Driver’s side
NRC 9446
Blue/green

Front - Passenger side
NRC 9447
Blue/yellow

Rear - Driver’s side
NRC 9448
Blue/red

Rear - Passenger side
NRC 9449
Yellow/white

90 (2550 Kg)
Front - Driver’s side
NRC 9446
Blue/green

Front - passenger side
NRC 9447
Blue/yellow

Rear - Driver’s side
NRC 9462
Green/yellow/red

Rear - Passenger side
NRC 9463
Green/yellow/white

The RKB's are new part numbers, yours are listed as HD ones, but unlike those listed above I can't find any rates or heights ?
Post #273531 13th Oct 2013 9:17pm
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Lou Sparts



Member Since: 15 Apr 2012
Location: Kent
Posts: 1501

United Kingdom 2005 Defender 90 Td5 XS CSW Zambezi Silver
You could fit some spring spacers to the rear if you,re happy with the the spring rate that you have. 2005 Td5 90 XS

Steve
Post #273535 13th Oct 2013 9:27pm
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Anderzander



Member Since: 08 Feb 2011
Location: Lancashire
Posts: 999

United Kingdom 
Found this ....

RKB101230 Spring - road - coil - rear - red - green - yellow -> driver 50 LE
210 -> 240 progressive lb/in 15.25" long 9.2 coils

RKB 101240 Spring - road - coil - rear - yellow - green - white -> passenger 50 LE
210 -> 240 progressive lb/in 14.81" long 9.2 coils

It's talking about the 50le model - but assuming the part number is consistent .....

NRC9448 D90 Rear 15.31" 225. blue/red
NRC9449 D90 Rear 14.80" 225. yellow/white

On those lengths - it seems odd you're higher at the front as the spring lengths are all but identical. Unless you have bought non genuine springs ? As aftermarket ones seem to end up being harder.

I'd swap them over - progressive springs would be better at the front and it would address the nose up stance.
Post #273543 13th Oct 2013 9:37pm
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Greg L



Member Since: 30 Sep 2013
Location: Alexandria
Posts: 46

Scotland 2000 Defender 90 Td5 SW Epsom Green
Im going to measure them tomorrow but when they arrived the Nrc springs seemed taller thats what I get with britpart equipment
Post #273552 13th Oct 2013 10:09pm
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Greg L



Member Since: 30 Sep 2013
Location: Alexandria
Posts: 46

Scotland 2000 Defender 90 Td5 SW Epsom Green
Have been on www.red90.ca/rovers/springinfo.html

and came up with 3 possible setups
RRC springs NRC4304
RRC HD NTC3285
DISCO NTC8572

swapping out the rears since its easier and making it a bit taller without rasing it an inch
Post #273561 13th Oct 2013 10:57pm
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SteveG



Member Since: 29 Nov 2011
Location: Norfolk
Posts: 656

2005 Defender 90 Td5 CSW Belize Green
This is the setup I had on my TD590 with winch on front..

Click image to enlarge


After looking through the LR range I found some springs of the right poundage and ones that I thought I could make level.

NRC9448 Blue/Red 15.31" 225 lbs/inch on rear
NRC9449 Yellow/White 14.80" 225 lbs/inch on front

I fitted RR rubber isolators to top of rear springs.

RH Rear 52.3cm now 53.7cm
LH Rear 50.4cm now 53.7cm

RH Front 52.3cm now 53.9cm
LH Front 51cm now 53.9cm

All level - ish Wink. The pic above shows it slightly up in the rear by about 10mm. This was when I had the x-springs fitted and the spring cups turn round.

I hope this helps

Admin note: this post has had its images recovered from a money grabbing photo hosting site and reinstated Mr. Green
Post #273609 14th Oct 2013 9:02am
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SteveG



Member Since: 29 Nov 2011
Location: Norfolk
Posts: 656

2005 Defender 90 Td5 CSW Belize Green
Greg L wrote:
I ask this cause I bought new springs and front seems to sit higher than rear

this is the set up front
driverside NRC9448
passengerside NRC 9449

Rear
driverside RKB101230
passenger RKB101240

ideally would like rear to sit higher


Also meant to add that you have two sets of HD rears there. The NRC's are HD rears for truck cabs and hardtop TD5's the RKB progressive HD rears for station wagons.

Yes fitting them this way round, even with the winch will make the front higher. You could use my setup above by buying one each 9448 & 9449 and a pair of RR rubber spring isolators or you could just buy two pairs of the rubber spring isolators and fit top and bottom to your rear springs. This will give you about 1" lift on the rear that you need.

Cheers

Steve
Post #273616 14th Oct 2013 9:37am
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Greg L



Member Since: 30 Sep 2013
Location: Alexandria
Posts: 46

Scotland 2000 Defender 90 Td5 SW Epsom Green
how does this set up work keeping the front as it is, and fitting 2x NTC8572 (NTC8572 Disco JA015479 - KA038877, 16.34 inches tall, 200/330 Ib/inch)

to the rear with isolator rings ( cheers Steve G) on the top of springs.
Post #273760 14th Oct 2013 6:16pm
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SteveG



Member Since: 29 Nov 2011
Location: Norfolk
Posts: 656

2005 Defender 90 Td5 CSW Belize Green
It depends on how many windings of the lower spring rate there are. You could find you immediately exhaust lower rate onto higher rate and so it's higher than you expect. I suspect it could work seeing as discos are heavier than 90's, but you'll have to try it and see.

You really need to weigh your Defender to work out your corner weights. Ideally when normal, and then weighed again when loaded up for a typical trip. You can the work out what height each spring you are considering will reduce in height by.

Also you need to see what driving characteristics you like. HD springs provide a stiffer ride, good if you don't have an ARB fitted. If you like the lighter springs, but want less pitch, dive and roll you can overcome this to a degree with some uprated shocks like Old Man Emu etc.

Cheers

Steve
Post #273800 14th Oct 2013 7:14pm
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couplands



Member Since: 31 Aug 2011
Location: Peak District & Cornwall
Posts: 1826

United Kingdom 2001 Defender 90 Td5 HT Oslo Blue
This is a great thread, although the options are confusing..!

I am loading the rear of my TD5 hard top with around 200kg of kit and storage drawers. So what springs (from the OEM variants) would give me a similar or slightly higher ride height that the standard springs..?

Cheers

Simon
Post #274418 16th Oct 2013 10:22pm
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Greg L



Member Since: 30 Sep 2013
Location: Alexandria
Posts: 46

Scotland 2000 Defender 90 Td5 SW Epsom Green
Worked a treat with disco springs on rear plus isolation rings add pictures soon
Post #277940 29th Oct 2013 10:54pm
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8619simon



Member Since: 04 Nov 2016
Location: North Wales
Posts: 222

Wales 1995 Defender 110 300 Tdi CSW Epsom Green
I have a 300TDI 110 CSW built up as an overland vehicle. I try and run as light as possible but still carry a bit of weight with water tanks and a long range fuel tank, the following has worked very well for me for the last 4 years with about 15,000 miles off road in Pyrenees, Morocco and Western Sahara:

Shocks: Koni Heavy Track - Adjustable with setting one off softest

Springs: Front - Standard Height Land Rover Springs - NRC8044/8045

Springs: Rear - Standard Height Progressive Springs - RKB101111

I don't have a winch fitted but have fitted Air Lift Helper springs on the rear when I am very loaded on trips with the family with all the toys!!

Set up works really well and has performed faultlessly on and off road including long sections of desert and corrugations in harsh terrain.


Oooops! Wrong thread!! Confused
Post #777868 17th Jun 2019 3:39pm
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