You've officially been cleared off my hit list... Can you take pics and measurements of the wheel spacing? Thanks for the review

Question. I'm doing research on coilovers, more specifically these. What catches my eye is the twin tube design, which is chosen for improved comfort over a traditional coilover. So my question is, how is, how much stiffer over stock are these? I don't mind the car being stiffer, I really don't want to change how the car behaves, just improve. This is very much a street car first and track toy second. These seem to be exactly what I'm looking for. There any dubious clunks, rattles or creaks showing up with the change?

Also just a useful fyi, you can adjust the dampness of shock to help with the "stiff" effect of the setup. The ideal way you want to do this is front or rear for 500 miles or so at a time then work on the rear. Otherwise you may end up being "lost" in the setup as to where the car is and what you are wanting. Also stiffness can be adjusted by raising or lowering the car. If you ever got to the point where you wanted the car at a set height but hated that it was too tall you can always drop a shim ring in. My 2 cents. Nice setup though!

It's all about the dampness settings with this and most setups. With this setup so far I have not heard any rattles or weird noises. If you have the front and rear settings at 20 (which is in the middle) you will have the desired feel that you are describing:tup:

Since this kit is full case length threaded, I don't the height adjustment is separate from the spring preload is it not?

It isn't seperate, but if you liked the handling of the suspension with it being as low as it is and you wanted it higher you would just throw a spacer inbetween the plate and the spring. Obiviously not too large of a spacer but none the less you could do that. It isn't seperate because the spring tension changes as the spring is compressed.

the tanabe website and the op's first post has a pictures showing you can adjust the height independently from the spring compression/preload.

Tanabe Sustec Z40 Coilover
http://www.tanabe-usa.com/images/ext...0specinfo1.jpg
http://i135.photobucket.com/albums/q...2F80F2BE38.jpg

Oh thanx! My bad!

Well, I definitely see these in my future. Need to somehow get these, new rims/rubber, clutch/flywheel, diff, sway bars, and brake ducts.

Side note, did you need to buy anything to keep camber in check?

I'm running spc rear arms and bolts

I wonder how these compare to KWV3s and Hypermaxs

same question..... the ride height looks perrrrfect!

I wondered the same thing...I forgot about the Tanabe coils now I have to include the Tanabe Z40 Coil-Overs as one of my options

My BCs are noisy as hell. Were yours as well? Was that part of the reason you switched?

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My BC's werent noisy at all. Just wanted to change it up suspension wise.