i have a 89 lx w/d15b2 and i have got a hold of a mpfi mani,throttle body, and injectors. what else do i need to swap them?

or is it a wast of my time? i just think 4 injectors would be better then 2!! is this true?

i know if i were to do this i would need to wire in the extra 2 injectors, how would i do this?

thank you for all of your help!!

 

http://www.50mod.com/fourthgenhatch/mpfi.html

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