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Or revalve your Bilsteins and convert them to coilovers? Read as much as you can and take notes becouse you're in danger of spending serious ammount which could be of some use later (car trailer, slicks, fuel, exotic dancers etc...)

Building lower arms is cheap? I want 2 pairs!

Thank you! Lower arm is on my wish list too, but before that season of driving and learning new setup is top priority.

I've been playing around with suspensions and first tests are really promising! Duk & Kevin, I wish to thank you again for more than useful tips! Custom made upper arm with sliders for camber setup and longer upper ball joint for roll center correction. http://www.dodaj.rs/t/3S/d8/25Xg7pr7/dsc06...

Front wheels were 8.5'. Unfortunately, on this picture I was missing rear plastic covers (with them, it was much better).

It can be done with 50mm body and 2,25 ID springs too, they just need fabrication of sleeves..

And You end up with extremely short travel and really high bind position?
I would skip this kind of suspension mod.

Note that these Bilsteins aren't from 75, so factory damping probably do not match to them.

Dyno plots Std:


Valved to new spec:

I have plots of my revalved Bilsteins from authorized shop, explained to owner that I want occasional track day car, medium stiff with additional springs in front 80kg/cm. You need them Duk?

Mount it on a drill, take sandpaper and make it for just a bit smaller. Then make a conical profile on one side (that side will penetrate)
Use few bigger washers and screw to pull bushing in.

Don't heat/freeze anything, just apply a bit of oil.

Maybe a dumb question... Is it safe to make thread on regular B46 Bilsteins and convert them into coilovers?

Edit: Definitely no, there's no enough thick wall for thread.

C/P from Kevins mail: 52mm diameter http://www.dodaj.rs/t/2N/uE/1NUEpsc1/img-20120318-00013.jpg Shock body 215mm long http://www.dodaj.rs/t/1t/U5/1hqGWWR2/img-20120318-00014.jpg Hat to centre of pin is 60mm . I would change to 50mm . Means you can get car lower without touching steering arm http://w...

Thank you very much for pictures and measures, they help a lot!

Nice project!!!

Can I ask, are those rear springs Eibach too..? And specs, please?

Please do send! :D I suppose that helper spring is 4' long and ID of springs 2,25'? I've already opened upper control arm and tried some weaker springs (60kg/cm) with torsion bars, but it doesn't feels good enough.. What about reinforcement of chassis? Thank you very much! my mail: Lakijanovic@gmail...