Member Since: 06 Oct 2020
Location: Germany
Posts: 13
Help identifying springs
I need some help identifying these springs. My 110 came with a lift kit when I bought it, but unfortunately the seller couldn't tell me anything about it. The shocks are TerraFirma Sport 50mm long travel shocks and as the springs are grey/silver I'm assuming the might also be TerraFirma's? However I can't find any writing/markings on them...
Does anyone know how to identify them? Maybe by number of coils or wire diameter?
I'm happy with the way they drive, but without any papers or identification they're not road legal in Germany
Member Since: 24 Dec 2019
Location: Lija
Posts: 3430
As you probably already know, the original LandRover springs are black, and have coloured paint marks across a couple of coils (like someone brushed the paint on a few coils).
Probably the best information needed to identify the springs are free length and spring rate.
Spring free length is easy to measure. Undo the bottom nut of the damper, then lift from the chassis until the top coil is not contacting the chassis anymore. Measure the height of the spring.
To get the spring rate, measure the height from the wheel arch to the centre of the wheel on both sides when it is parked on a level ground. Load the load space with a known weight, 2 heavy guys sitting on the wheel arches as direct as possible above the axle. Measure again the height from the wheel arch to the centre of the wheel ( do not measure to the ground as you do not want the tyres in the equation). Make the calculation. If you have difficulties to calculate, just send the measurements, 4 in total, empty and laden, and the weight of your mates.
Spring rates are usually quoted in imperial values, lb/inch. Soft springs start at about 150lb/in. These are normally found on Discoveries and RangeRovers. Defenders use higher spring rates in the region of 240lb/in, probably more for 110 ( I’m more interested in 90s), hence their harsher ride.
Once you have that information you may try to contact Terrafirma, maybe they are the supplier. I do not know what the German authorities would accept as specifications.1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing
2012 90 CSW, 2.2TDCI, Santorini Black
21st Nov 2020 5:36pm
diesel_jim
Member Since: 13 Oct 2008
Location: hiding
Posts: 6102
Re: Help identifying springs
hmmwv wrote:
Does anyone know how to identify them? Maybe by number of coils or wire diameter?
I'm happy with the way they drive, but without any papers or identification they're not road legal in Germany
Couldn't they accidentally get "cleaned up" in your garage and painted black, and then a leaky tin of paint happens to dribble over them causing what might look like a "stripe" to be painted down them.
One could almost suggest they'd look like factory springs then
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21st Nov 2020 12:10pm
