dont bother.. if ur sick of it sell it engine conversion is too much.. 3sgte is the way, but u need to fabricate and make ur rolla to a 4wd.. tats why i say is too much effort.. u want fast, get eg model then put jdm k20a on it.. then its fast.. but forget ps and ac lol fensport corolla is 4wd stock thats why not alot of fabrication for it..