YES more 1st gens...youve got plenty of options boost the stock motor, its good for up to 10psi on the stock. Or you can buy a japanes BPT like they said above. i went with the 2.5v6 b/c noone really does it. its an easy swap it has more room in the protege than it did when we put it in my friends mx3. 13's YAAAAAAAAAY.. ive got a lightened flywheel - custom y-pipe - full exhaust. i think it will be done this weekend i just had to get a new axle, and redo the radiator lines. which i am about to do now. me and you need to meet up so we can get u on the right track.., and u twinturbo.. mazdas unite!