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For less of a trade off, what about a more progressive spring, dual rate spring or longer bump stops. This will keep the ride spring rate closer to what you have but give you extra force as you compress beyond ride height. Other points to consider: Wider tyres for the same sprung mass may take...

Yes, "anti lift kit" ie it adjusts the amount of Anti lift (and anti Dive). As I think Greg has explained to me, somewhere else on here, its not a trade off between Dive and Lift. For some information from the source - See attached File Certainly the firmer bush helps reduce unwanted movement...

Ahh, sorry there may have been some confusion. The Liberty H6 is the 3.0 RB which is a factory 6 speed. The conversion was done to a 92 RS liberty that has a STI 2.5L engine. The conversion would be similar with the H6, just need the right assortment of parts and everything basically bolts in...

This is also true Pat, and not to sound like a smart a$$, I have thought of most of these issues ... 1)it is our 2nd car (no 1 car is a subaru Liberty wagon) so doesn't see a lot of road kms 2)With subarus there is so much interchangability that most parts will just be late model STI parts (6...

True Greg, but then I need a trailer, tow vehicle, space to house it all!! And that will also mean not being able to do some tarmac rally/road events here in Australia due to registration requirements! The car will progress to be a track only car and I will look to get another commute vehicle...

Ahh, yes sorry brakes are upgraded partially already and tyres will be the stickiest street legal rubber i can get to start with and once I progress, I hope to go to full slicks as wide as I can fit in the guards without adding problems. Aiming to lower the car to also lower the COG, then to...

So if I have the rest of the suspension sorted I should not need any ALK? For mainly tarmac events starting with a 95 WRX, I was going to be: increasing spring and ARB rates improving dampers (ideally independent adjustment of bump and rebound) Adjustable (lengthen) lower rear arms Widen front...

from experience most subarus (from about '93 at least) will benefit from lowering the rear of the front lower control arm, which reduces lift on accel but tends to increase the dive under brakes. Does this make sense Greg?

TMcRally "If you raise the height of the rear pivot of the front lower control arm you will reduce the amount of dive under brakes and reduce the amount of lift in the front end when accelerating" How does it do both anti-dive and anti-lift with the same change? Especially with AWD/FWD...

Thanks for the info Bob, no I am certainly not asking anyone to release sensitive information at the risk of any legal/job/ethics reasons. But I guessed a chassis that been out since '93! would not be so sensitive and may be past any time frame for confidentiality. Yes the scanning would be a...

Thanks for the tip Dave, bummer there is no Subaru data there. Has anybody had much experience with 3D scanning for this sort of end use ie does it generate parts that end up FE friendly?

Here may help understand http://www.ansys.com/assets/brochures/mechanical-capabilities-11.pdf yes, Mechanical etc are the packages. As long as they have the workbench front end its a nice and easy GUI! We have 1 network licence of structural and it suits most of what we do, only a few engineers...

Oh Well, I figured this to be the case, just wondering if anyone else has gone to the trouble of either drawing it or 3D scanning any. I will be getting a quote to scan a crossmember to start with and progress from there. Thanks NickE

Does any body know sources for 3D CAD geometry of car chassis and or components? Specifically after: Subaru GC8 ('93-'00) monocoque Subaru WRX Front and rear crossmember - any year 3D Formats - ideally Inventor assemblies, SAT, IGES etc I realise I am being optimistic but surely someone has...

Ansys Classic or Workbench?? we use workbench for 90% of all the work and only need to go to classic when it is something that is not yet available in workbench. I have not used abaqus but can give praise to Ansys Workbench. We are mainly using structural analysis for steel, nylons, poly and...

vscid, Here at work we use Ansys workbench and a program called SpaceGass. SpaceGass is only used for simple beam models and does all the laborious hand calcs for Australian steel standards (does also do other standards). For anything more complex and any plate/brick, 2D axis-symetric models...

This seems to be the case for the more normal type setup where they only come into play towards the end of droop. What about set-ups where they are active 5-10mm from ride height? How do these not make the car feel travel limited or unstable like the old race engineers tool of zero droop...

You will also need to take into account any grooves/threads for seal packs! Bilsteins/DMS/Proflex and many other monotubes have 2mm wall for both shock absorbers and Inserts/cartridges/struts. For some rally inserts they used 2.5mm. Are you using steel or aluminium would be a good first...

Again, It is a while after thread dates. If you are after specs on Bilstein bump rubbers let me know a part number of the shock or insert and would be able to help you trace it. Send me details travers dot wood at bilstein dot com dot au I can't give you drawings but i am sure I will be able...

Greg, In Particular, sedan road going passenger vehicles with low roll stiffness from sway bars etc to keep good articulation and wheel independent-ness. I.e. it’s no point going to all the trouble of making 4 wheel independent suspension and then tying them together with thick sway bars to...