S-body suspension theory
http://www.motoiq.com/magazine_articles/id/2259/pageid/3952/basic-drift-chassis-setup-part-2.aspx
Note the changed RLCA front pickup point position. It’s lowered to change the antisquat properties of the subframe.
Subframe strengthening
would adding those reinforcement tubing block something, can I weld them and throw the subframe back on the car without any interferences between parts problem ?
euro s13 can have interference with diff oil cooling stuff but other than that should be sweet