i have a ep82 starlet s 100bhp model. what is the best way toget more power? i know 4efte is the best way to go but i will be sticken with the 4efe. i have the 5efhe efi-s intak system i will be gettin upgraded leads, sparks is the 5efhe exhaust manifold a 4 branch ? would it be better? fuel rail or injectors of a 5efhe? will the levin quad throttle body fit with an adopter? any help appreciate