I know its been asked probably a thousnad times. And yes I'vee been searching for over an hour and haven't found the answer I'm loking for so here it goes.... flame if you must...is the 89-91 si the ONLY manifold i can use for the dpfi to mpfi swap if not what other hondas can i use I ask cause its been dam near impossible to find one in the savalge yards here. my car is a 91 dx sedan