if i'm only gonna do 8psi... is the hondata really necessary? i already have a vafc. all that i'd have to get then is the pulley upgrade... i'm gonna go with rc440cc injectors, and a new fuel pump... probably walbro gss317 255lph, oh yeah and some energy suspenion motor mounts and a new head gasket. lol out of all that i just typed my simple question is still, need a hondata even though i have a vafc?