Archive for EFSedan.com 1987 to 1991 Honda Civic Sedan Owners Club
 


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endlessone

mpfi swap

i want to do a mpfi swap on my d15b2 and i was wonder besides the intake mani, injectors, and fuel rail what else is needed?

also would my exhaust manifold work or would i need headers?
squarebuttlife91

a distributor and ecu. i got mine from a 91 si. when you get the injectors make sure they have the injector clips. your exhaust has nothing to do with the dpfi to mpfi. just make sure you know what your doing when you wire it or if you have someone wire it. with obd0 injectors your need to make sure you have the resistor box for them or else they wont work. i believe thats about it.
endlessone

sick! im an autotech student so this will be a fun little project log  Twisted Evil
90EFSedan

Got a question... If I were to buy this harness and an Si IM, injectors, fuel rail, clips, dizzy, and throttle body... Would I still need the Si ECU?

http://cgi.ebay.com/ebaymotors/88...cessories&hash=item3f08061dfb

Also, will there be any modifications needed for my D15B2's stock head? I'm not sure what the head code is and its raining like crazy right now, so I'm not going to find out, lol..
squarebuttlife91

it would be best to run the SI ecu. its a PM6. but i know it will run off the pr4 i believe. that one is the obd0 b16 ecu. The PM6 makes it run the best. the dual point ecu is the PM5 and that will not run the car. good luck
90EFSedan

Yeah, I'll admit it was a pretty stupid question but I thought it was worth asking. This is my first Honda so I'm not very familiar with them yet.
cleanRENO90

i'd suggest Rywire.com for the wiring. that way, its just plug and play.
90EFSedan

I checked them out, definitely would be nice but I'd rather wire it myself for that much lol.
90EFSedan

Got another question, would a 88-91 Prelude Si work as a donor car? I don't know if the bolt holes will be the same or not as the Prelude is rockin a B20. Mines a D15b2 :/ I also dont know if the 88-91 Preludes are OBD0 or OBD1... So... Yeah, starting to see this as a dumbass question too v.v
squarebuttlife91

i believe the bolt patterns are different for B series motors.
90EFSedan

Yeah I'm sure they are.. I haven't had any luck finding a civic/crx si for a donor. Not sure how I'll go about this, I was hoping to find it all in one place. Piecing a kit together for the swap is outrageously expensive.
squarebuttlife91

yeah it is expensive. how i did it was bought an aftermarket intake manifold and a distributor and ecu and then hard wired everything in
90EFSedan

Sounds like a viable option at this point, lol. I'll probably just do a swap, finding something worthwhile in my price range is gonna be fun though lol.
squarebuttlife91

good luck! im running a b16 right now in my car. its fun for a daily.

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