is it posible for me to put in a fuel rail and the four injectors to replace the two others? if i hed a si throdel body and whatever else

 

its a 91 dx motor btw, If this cant be done is there a place i can pick up beter injectors for the dpfi? i've melted my secondary (bottom) injector three times and i get code 16 at least once a week! please help

 

yes, this is referred to as DFPI to MFPI swap - do a search to find out what all you need and how to do it

 

thanks for the help