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4link questions

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Bodie
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RE: 4link questions 2011/09/17 11:35:01 (permalink)
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Ideal Situation for your rear shocks is to locate them vertical on the centre line of your rear axle, in this position they are damping at there optimum, the reason ford positioned them the way they did is to resist twist under torque and by tipping them over to the centre of the car they also offer slight axle location and help with sideways motion of the rear axle, although not verywell. If you decide to four link the rear end and incorporate either a Watts link or panard rod the rear end location is all but sorted, thus your shock absorbers can now concentrate purely on damping and not all the other stuff so you can relocate them to their ideal position, to do this you will need turrets, when you have turrets you will have the option to keep your leaf springs and slipper them to resist stress on the front spring mount now everything is positively located, or remove the leafs altogether and go with a coil over set up.
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darnoldrs
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RE: 4link questions 2011/09/20 09:08:05 (permalink)
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I have built my own 4 link set up. It has some advantages and disadvantages of kit units.
I am running a watts link which is far better than a pan hard rod and using the mount on the rear of the falcon diff that i have had shortened.
The bottom link runs from the original front spring mounting point back to below the diff housing and i have used EL falcon top links which are an s shape so that I can mount the coil over on the inside of the chassis allowing more room in the wheel arch.  The geometry may still require some tweaking but seems to work ok. The other advantage is that I still have the factory rear seat.
I have used coils with 10inch springs and they only have 100mm of travel so they are quite short (approx 350-380mm eye to eye fully open for memory) Running coilovers makes it far easier than to have shock mounts and leaf springs or coils mounted some other way.
Have a look in the project section under BLWNRS for pictures of what i have done. Like I said, there are some improvements to be made in the future now that I have more knowledge. 
post edited by darnoldrs - 2011/09/20 09:14:23

Wanted:
More time to spend on my RS. But it is getting closer to being done.
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