Will, have you read through the 20 pages of posts on 7100's in this thread < http://www.aulro.com/afvb/discovery-...ns-7100-a.html >?
Hi All,
I've been doing some research and come up with the following specs for D2 shocks.
Standard:
Front -
Open 22.75"
Closed 14.5"
Stroke = 8.25"
Rear -
Open 22.5"
Closed 14"
Stroke = 8.5"
(These were sourced from dweb, as measured by a member)
Bilstein D2 +2":
Front BE5 B995 -
Open 24.33"
Closed 15.28"
Stroke = 9.05"
Rear BE5 B994 -
Open 24.23"
Closed 15.37"
Stroke = 8.86"
(Actual specs sourced from LRO Forum in metric are as follows;
BE5-B994 - Rear
Extended Length:615.5
Closed length:390.5
Rebound of 3045Nm
Bump of 930 Nm
Rated at.52 M per Sec.
BE5-B995 - Front
Ext Length:618mm
Closed Length:388mm
Rebound of 2555Nm
Bump of 1035Nm
Rated at .52 Per sec
I have included this just as a resource, or the purpose of my exercise I am using inches as the numbers are smaller and shock sizing is usually in imperial.)
Bilstein 7100 Short Body 10": (adding this just as a reference point for future readers)
Open 24.31"
Closed 14.21"
Stroke = 10.1"
Bilstein 7100 Short Body 12":
Open 27.68"
Closed 16.1"
Stroke = 11.58"
Now the question is, has anyone fitted a set of 12" 7100 short bodies to their D2?
Mine will have a 2" lift along with extended brake and ABS lines, lowered front crossmember, swaybar disconnects and extended/cranked watt's links assuming I pursue the big flex path... (which I want to, seeing's I have a pretty flexy Rangie).
Of course, I could go and pull my pretty, clean, factory original D2 apart and start measuring things, but working 40 hour weeks and going to full time uni makes that a somewhat impractical option![]()
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If anyone has played around with this before please share your findings, I don't really want to lower the bump stops as this negates your extra up-travel, something I want in a tough tourer, but with a closed length only an inch longer than Bilsteins D2 shocks I'm wondering how they'd go...?
I'm trying to do as much research as I can before I pull the car apart, let alone buy the shocks and get the springs made and modify the suspension bits.
This isn't the first car I've modified the suspension on substantially, and I do all my own work.
Cheers
Will
Last edited by MR LR; 5th June 2014 at 05:56 PM. Reason: Added extra Info
Will, have you read through the 20 pages of posts on 7100's in this thread < http://www.aulro.com/afvb/discovery-...ns-7100-a.html >?
Hey mate,
Do a search. There's a thread about 10 or more pages long about the 7100 shocks in the D2. There's all the info you need and more. RTE are the mounts you need in the front. You can order the bushes for front top and both ends at the rear with the shocks
I run the 10" short bodies with the 2" lift. I think I could have gone 12" in the rear as I don't get full upward compression of the shock but I didn't want to rip the bottom out of a bag either. No one could tell me how far I can extend an air bag before they become a problem.
I think "Tombie" and "Off Road" also run them?
Happy Days.
Thanks for the amendment PeteIt seems these measurements match those in the Bilstein US catalogue.
Thanks Scotty, I had skimmed through it, but just read it in depth and noticed the few mentions of the 12" shocks, I thought that thread was just in relations to 10" short bodies.
Cheers Joel, I've just had a read of that, not too much about 12" ones in a D2, it seems Tombie is the only one that runs them and his are in the rear only...?
Mounting is no issue for me, nor is bump stops/extended towers, I'll fabricate everything I need.
Might go into Heasmans and have a talk with them, it would be nice if there was a rubber bush option without chopping up the shocks!
How has everyone's rose joints been surviving? I saw Slunnie saying he only got 6 months out of them...
Sounds like 360/80 all round is the way to go re-valving.
From what I've read it sounds like extended front towers might be the go, may have to do a bit of measuring.
Cheers
Will
I don't know why you don't just continue that thread. Keep all the info in one place and expand it a little. The thread is for 7100 Billies.
I could be wrong but I'm going to suggest you go and read the thread in more detail. You should find a link for Prothane bushes to suit. Part number 901?????. I would have them, only doing a normal online order, the shipping comes out heaps.
I'll tell you how my rose joints are doing after the Gibb River Rd next month. Then I'll just source the prothane or see what Superroo can do.
I think you'll have to extend the towers heaps to get the 12" in the front unless you raise(lower) the bump stops.
If I did it over again, I've decided I would go the 400/100 both ends but I have a fair amount of weight on the front and I like to hook along a little.
Happy Days.
Yep, I was right.
Just go back to the original thread and search for Prothane. 2 Posts come up with the part number. There is a couple one each for 1/2" or 12mm pins.
Might see if I can get a mod to merge them (hint hint mods), I started this threa thinking the other was about 10" shocks only.
Ah yes I remember seeing that but did not follow the link, cheers.
Did you end up having to extend your front bump stops for the 7100's Joel? I saw you were planning on it...
I'm not sure whether to buy the shocks, then make them fit, or set up the springs and bump stops and buy shocks that fit in there... Coming from my Range Rover I want above average flex, it's nice to be able to feel comfortable in the high country while everyone is teetering is unbalanced rigs!!
Cheers
Will
Hopefully they'll merge.
Yep, I extended my bump stops using 25mmx45mm RHS. I was a bit disappointed as I am only really getting an extra 1" upward travel from my 2" lift due to the extended bump stops. Towers will come and then I can remove the extensions from the bump stops. One thing at a time though.
I also had to do the same at the rear but I was concerned about the airbags over compressing as I have added lifting blocks on them. Without the bump stop extensions in the rear the rear shocks would be almost perfect. With the extensions I'm thinking of getting White Tiger shock mount lifts from Discovery 2. I'm just worried about too much drop then as I know it is possible to tear the bottom out of bags.
Happy Days.
Ah I see, well in that case, to avoid loss of up travel I think I'd be best off to go straight to an extended shock tower, using 12" short bodies all around, a slight bump stop extension in the rear is not a worry to me if it is required.
I have a set of airbags and spacers I was given, I'm unsure whether to use these or get progressive coils or even normal coils with poly airs, as I need something that can cope with the 12" extension... Which is not an easy thing to achieve!
Maybe a set of long (custom) airbags will do the job..
Cheers
Will
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