Thread: SLS Maths and questions for calibration

You may be interested to read http://www.aulro.com/afvb/discovery-...ls-height.html

The standard gap (measured between the bump stop and plate on the top of the diff axel tube) is 61.5mm according to Rave for the on-road height.

If you have a 2" lift, then this gap should now be 61.5 + 50 = 111.5mm.

If you have extended your bump stops by 30mm, that should reduce the gap to 111.5 - 30 = 81.5mm - calibrate to this gap (I find it easiest to find a block of wood or brick or something close to this height to just slip in the gap when calibrating).


With my 3" lift (SLS spacer of 60mm) I personally use a 2"/50mm Les Richmond Automotive White Tiger Bump Stop Extension on and the standard bump stops. Gives me only an extra 25mm/1" of travel over the standard setup, but I do worry about over squishing the airbag.
I would like to test out a 75mm bump stop (like you have mentioned) instead, as I think this would give me a bit more flexibility.

One way that you can test if the standard bump stops are sufficient would be to refit them, deflate the SLS airbags and see how it all sits - does anything rub/foul etc?


Torque settings can be found in Rave. If you don't have a copy already, I highly recommend you obtain one quickly. If you don't have it and need the torque setting, let me know and I will look it up for you.

Originally Posted by twr7cx

You may be interested to read http://www.aulro.com/afvb/discovery-...ls-height.html

The standard gap (measured between the bump stop and plate on the top of the diff axel tube) is 61.5mm according to Rave for the on-road height.

If you have a 2" lift, then this gap should now be 61.5 + 50 = 111.5mm.

If you have extended your bump stops by 30mm, that should reduce the gap to 111.5 - 30 = 81.5mm - calibrate to this gap (I find it easiest to find a block of wood or brick or something close to this height to just slip in the gap when calibrating).


With my 3" lift (SLS spacer of 60mm) I personally use a 2"/50mm Les Richmond Automotive White Tiger Bump Stop Extension on and the standard bump stops. Gives me only an extra 25mm/1" of travel over the standard setup, but I do worry about over squishing the airbag.
I would like to test out a 75mm bump stop (like you have mentioned) instead, as I think this would give me a bit more flexibility.

One way that you can test if the standard bump stops are sufficient would be to refit them, deflate the SLS airbags and see how it all sits - does anything rub/foul etc?


Torque settings can be found in Rave. If you don't have a copy already, I highly recommend you obtain one quickly. If you don't have it and need the torque setting, let me know and I will look it up for you.

Thanks for that, I do have a copy of the rave cd already so I'll take a look, that postwar the one I read so thanks for confirming I was on the right tracks.

I think I might leave mine as it's for another
trip as I was running an extra 40mm lift on the back on top of the 40 I added so will see what it feels like before swapping stuff out.

Originally Posted by twr7cx

You may be interested to read http://www.aulro.com/afvb/discovery-...ls-height.html

The standard gap (measured between the bump stop and plate on the top of the diff axel tube) is 61.5mm according to Rave for the on-road height.

If you have a 2" lift, then this gap should now be 61.5 + 50 = 111.5mm.

If you have extended your bump stops by 30mm, that should reduce the gap to 111.5 - 30 = 81.5mm - calibrate to this gap (I find it easiest to find a block of wood or brick or something close to this height to just slip in the gap when calibrating).


With my 3" lift (SLS spacer of 60mm) I personally use a 2"/50mm Les Richmond Automotive White Tiger Bump Stop Extension on and the standard bump stops. Gives me only an extra 25mm/1" of travel over the standard setup, but I do worry about over squishing the airbag.
I would like to test out a 75mm bump stop (like you have mentioned) instead, as I think this would give me a bit more flexibility.

One way that you can test if the standard bump stops are sufficient would be to refit them, deflate the SLS airbags and see how it all sits - does anything rub/foul etc?


Torque settings can be found in Rave. If you don't have a copy already, I highly recommend you obtain one quickly. If you don't have it and need the torque setting, let me know and I will look it up for you.

Originally Posted by Shakey

I think I might leave mine as it's for another
trip as I was running an extra 40mm lift on the back on top of the 40 I added so will see what it feels like before swapping stuff out.

Make sure you don't hit the Off Road Mode button then as you might over inflate the airbags!