Oh Sorry for not replying to your post BloodClod.
Didn't notice it until now...
Yes the centering does actually the car a lot.
I do not have any pictures of it now but I basically cut the spacer in half to make it fit the "wrong side".
And it is the sp2 suspension together with the longer shock shafts. Ran Ghea 3x1.2 pistons all around.
The car did its best result this far yesterday during the Swedish nationals.
http://www.oople.com/forums/showthread.php?t=50809
Qualified 3:rd and ended up 5:th (ended 4:th in all thee finals)
My car is the blue and silver one.
I still consider myself as a novice driver so I am very satisfied with my result.
Edit: I tried the idler once indoors but I have only raced the car with the standard 3-gear.
Another funny thing is that in Norway (Nordic championship) I did my best two qualification rounds on an slippery whet track.
Some of my racing friends yesterday joked about on what I have done to my car to make it go so fast and they came up with that I have somehow "bewitched" it to go fast...