ed civic

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Originally Posted by VTECnique

So to be able to start the engine, you'd need to wire it to the main relay correct? & extra wiring for rpm, speedo?, water temp, fuel gauge?, etc.

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main relay gives u ignition switched power to the efi system & power for the fuel pump,so yes, no main relay= def no start

thats the only things that come of the engine harness that need wiring,gauges(not fuel gauge,u just have to wire that to new sender in tank,if new tank used),reverse lights,fan control.
if u go EG+ harness,battery on opposite side,redirect alternator feed.

words make it sound daunting,it will make a whole lot more sense once u see it all laid out in front of u.

if i can, i may just use an engine harness out of early integra...

hey guys, sorry i haven't been in for a while i had an operation (broke my thumb playing footy). ok so apparently i can use everything stock in my car to go to a d16a8 if i convert to mpfi. which sound like a really good idea :). supposedly i do not have to change a single thing if i have mpfi conversion (except for ecu wich would go straight into the harness i had because of mpfi) this is what i was told by someone who had done the swap so im stoked ;):):). it would make sense i guess because looking at the two engines the only difference is that one is mpfi and one is dpfi

didnt realise we had dpfi ED's in oz,i thought they were all dual carb.

if u do have dpfi,u still have to add extra injector wires, obviously & a CYP sensor & repin a few wires at the ecu plugs to go to mpfi.
i would prob also confirm all the rest of the ecu wiring as well,before u start the car,i think u might find another few variations.

dont forget to get an OBD0 D16A8 if u want to avoid the OBD1 conversion.

sorry i f***ed up (been reading too many forum things from the us) i have a duel carby. and then once iv gone to mpfi i can do the swap

Quote:

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Originally Posted by CRXer

didnt realise we had dpfi ED's in oz,i thought they were all dual carb.

if u do have dpfi,u still have to add extra injector wires, obviously & a CYP sensor & repin a few wires at the ecu plugs to go to mpfi.
i would prob also confirm all the rest of the ecu wiring as well,before u start the car,i think u might find another few variations.

dont forget to get an OBD0 D16A8 if u want to avoid the OBD1 conversion.

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all 88-91 civic were dual carb, its a real shame, usa got the dpfi version though. really sucks cause i really like the 4 gen shape of the civics...

On another note, could you use a whole ED CRX wiring harness in the ED civic? that way you wouldnt need to change or wire in extra wires/plugs, etc...

Quote:

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Originally Posted by VTECnique

all 88-91 civic were dual carb, its a real shame, usa got the dpfi version though. really sucks cause i really like the 4 gen shape of the civics...

On another note, could you use a whole ED CRX wiring harness in the ED civic? that way you wouldnt need to change or wire in extra wires/plugs, etc...

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from what i remember,people were saying the dual carb was a better motor than the dpfi

like i said before,your in qld right?,theres a rollin shell with everything u need goin for like $500 in qld somewhere on crxaus,d16a8 mpfi,shafts,brakes(if the civic doesnt already have rear disks),ecu,tank,lines,all wiring,fuse boxes.............

it would all slot into the civic just dandy,the only difference might be the connection to the dash harness & the tailgate wiring,but that would only be a matter of maybe repinning a plug or 2,easy,...........all for the cost of a coupla nights out on the gear.

edit: i'll even give ya some cash,if u hack the rear subframe outta the shell before u dump it & send it down to me.

sounds like the efi wiring into carby ED harness is alot easier to save fitting a whole harness head to toe...

i was looking through a turbo D15B4 thread & someone reckons the ED civic has an ECU to control the carbies?!?! WTF?

nah,much easier to fit a harness,than stuff around joining wires,its just obd conversion u gotta join wires,theres virtually stuff all wiring rear of the dash anyway,u really dont have to do anything except supply a fuel pump back there,so just repalce the dash & forwards.

ecu is just electronic control unit,it doesnt strictly mean operate fuel injectors,all the carby ecu did was like vac advance/emissions/idle(i think),u could prob unplug it & still drive the car(not recommended,lol)

so, if its got an ecu, would it have traditional OBD0 ecu plug? if that were the case, couldnt i just do a DPFI to MPFI swap & new an ek intank pump?

i was think of do the same too if i got ed seden
there alot other parts you can use off the crx wreck like crx dash swap, rear disc conversion, a pair of crx sport bucket seats, bonnet , front bar, maybe door trim (crx may have longer doors), speedo and few other things said by CRXer

i think it wouldn't cost that much money if you do all the work yourself, as everything from ed9 crx is a bolt in swap over into a ed civic seden or hatch

i did see a red civic hatch with this swap d16a8 on car sales a few months ago going for $6K
i have look for it and post it for yourself

pat

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