Rear Spring

[Danjeffery]

I'm looking to get some new spring for the rear of my 2010 Defender 130 as mentioned below.
Any one know what sort of spring rate I should be looking at running in the rear?
I run air bag assist in the back to carry weight when I need it. But try to not carry a heap when off road?

I had my car weighed the other day. And am looking for a new set of rear springs as my current ones have dropped after installing an under tray draw.
The corner weights are in lbs, total is there also. I found it odd that the rear is heavier than the front...
Anyways does any one know how to work out what rate rear coil I should go for?
The weights were done on road trim and usually have a little more weight with recovery gear and such when going 4wding.
Current springs are 270lbs Les Richmond Automotive springs.
Current setup works well but is sitting too low in the rear now.

Cheers
Dan

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[Vern]

Why not get the same rate but taller?

[Danjeffery]

Sorry, should also have said that they’re supposed to be +50mm to match the front which the 270 lbs coils did until the extra weight was added. And I’m not sure what the extra added weight would do to the same weight coil but taller...