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The science of fitting citron BX LHM suspention into a b1600


Seedy Al

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So, this is an idea I have been playing with for a while now in my head, but have never really sat down and figured out the facts etc.

I basicly want to fit Citron BX LHm suspention into my b1600 ute, so I can slam it out when parked, and get it to a drive hight when driving.

So what I really need to start with, are some decent Schematic's of the system, and a good explentaion of how the system works, what I would need to look out for, and stuff like that.

I have a bit of an idea of how it works, and would also like to know if it possible to make the hight control independant from front and back.

And yes I know the concept of using french parts is Fu*kn yuck, because, well, you know......

Anyway, get crazy on this I am keen to hear your views and opionions

CD the the shop lifter

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xmupdown.gif

heres some stolen reading material for you cdsl

The system takes advantage of the fact that you can compress a gas but cannot compress a fluid. Thus gas acts as the springing medium while the hydraulic fluid does all the clever things such as providing damping and levelling. Unlike the hydrolastic system fitted to certain BMC and BLMC cars, the Citroën system relies on an engine-driven pump to pressurise the hydraulic system

Hydractive 2 system fitted to high specification variants of the Xantia and XM

xanhydractive.jpg

1. Computer

2. Steering wheel movement and speed of movement sensor

3. Accelerator sensor - reads accelerator movement and rate of movement

4. Brake sensor

5. Speed sensor

6. Body movement sensor

7. Electrovalve

8. Stiffness regulator

9. Extra sphere

10. Front suspension sphere

11. Rear suspension sphere

active stz in action

s-car2.jpg

activa.gif

xansuspf.jpg

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schooled.

also if you pulled it off it'd drive better than airbags could ever dream of, and the parts would never wear out. such is the design of hydropneumatic stuff that it never wears out. there's no seals in the legs to leak, and they're constantly self lubricated so wear is negligible.

you'd wanna use cx front end stuff for the front of a b1600 as bxs are mcpherson strut style but cx stuff i like, wishbones and shit.

not sure what you'd do for rear.

flaring of pipes could be an issue

no issue running rear seperate from fonr.t if you wanted to pipe and linkage it up you could run one height corrector per corner if you wanted.

http://www.citroen-ds-id.com/ds/Landrov ... nsion.html

some guy sherie knows has done it to a mark1 escort

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the point of doing this over air bags is that it would be fucken cheap

As for issues with mac daddy pherson strut I had thought of just making loop that would support the strut.

However if cx stuff is wishboned out then maybe that would be a good option, however i dont want to be sending lots of money buying cx this and bx that haha

As for the rear, i belive they run a canter lever setup??? this can be replicated pretty easy I would say

Allan

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dude that is a super handy web site thanks! pretty much explains everything you need to know

Question, If I just control the hight controls manually, and dont connect the auto leveling side of things, is my ride going to be bumpy from rocking full hight and full slam? and does a citron have external bump stops to stop the shocks maxing out all the time?

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I have a 77 b1600 chassis in my backyard in hamilton,

how's $50 sound?

come pick it up then you can make your hybrid chassis and still have a working vehicle,

i reckon its a cool idea and probably a cost effective option,

some extra valving would sort your independant height adjustment stz

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hmmmm, Unfortunatly I May be postponing this idea,

Just had a measure up etc and looks like if I go low low I will be having to move the brake master clinder and all sorts of stuff just to engine bay clearence. And given it looks like a certain V8 has popped up for a certian white crown wagon then I might just do a low as possible thing here with out cutting up everything

Something like this

whitewallute.jpg

Allan

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on that note i have just about had my flipped bj stub axles finished

just have to cnc up the new tapered bush,

the stubs were friggin hard and a shit to mount in the cnc mill

but could do it all again easily now.

Nick reckons about $400 for a pair to be done

will give max low

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