I'm looking to convert my 91 DX to MPFI but a quick question. How much more hp do you get? Obviously this will affect my gas mileage, but how much? Lastly, is this worth it to do?

 

about 10, depends on how heavy your foot is, yes. im very close to converting to mpfi as well, let me know how it goes. good luck

 

The only thing that makes me second guess is the wiring part, but I want to do this and hopefully extend life of my civic

 

dude the wiring isn't all tHAT hard as it looks. just study it and youll undersand it. I never did it when I had the D15 but when i went ZC I had to. And it was a breeze bro. as for the conversion to mpfi dude how much is the new ecu, manifold, dizzy etc gonna cost you??? cause you might as well get a DOHC ZC and it would cost the same . it did for me. i got my ZC for 450 and it was worth it and you get the 4 injectors so look into it. but as far the mpfi itself. i dunno. i think its a waste of money if your gonna upgrade later anywayz.