Hey i have a 91 celica st And i was told to go to corolla fourm to find out some information for my project now that im here has anyone done a 4age 20v silver stop swap in a 91 celica st? or dose anyone kno what i need to do the swap? is it a drect swap since my stock motor is a 4afe? just give me all the information u can cuz its hard to find write ups!!?!?!?!