Ok i have a 1991 hatch Std..... 4 speed....i am looking to swap it...either d15b vtec.....d16a6 or z6 what ever you guys think is better n cheaper.
so i need trans and motor....i got a ecu....also how hard will it be to dpfi to mpfi....and vtec wiring......

let me know i need a motor with in a week or two...my d15 is slow due to 4 speed and 260k and bad clutch......

thanks