you can use various calculator and DIY it yourself. The only problem I can think of is finding the exotic components that will make your passive not at bargain price anymore :D
screw the passive for now la,sifu........gonna go active,perhaps when i'm ready to invests in serious SQ shit,i'll go back to passive.......u said u've got a friend for installation.....is it Abg.Yus from Batu Caves??
This weekend DIY job, change Honda Civic Es 1.7 4 lug knuckle to 5 lug knuckle together with DC5 rim.
Rear dics use DC5 knuckle and front use stream knuckle.
Here is the picture of front knuckle. Sorry could not...