I don't want to use that ****ty dual port throttle body on my 90 hb.... I'm thinking about getting a full intake manifold with MPFI and just swapping it onto my engine...does anyone know if i'll have to change the ecu too, or anything else i might be forgetting?

 

There is a DPFI->MPFI conversion write-up in the DIY section. Feel free to ask any other questions you may have.