Hey man I havnt done a LS VTEC turbo but i am in the process of building my budies GSR Turbo and hes shooting for like 20 psi and you will spend about 10G's EASY !!! Actually its built just waiting on the intake manny and tranny so we can drop it in. If you need any help or info hit me up its still fresh in my head !! we have info posted with pictures in the EMANAGE IN ENGLISH post