How To Swap Obd1 - Obd2 Ls Into 90 Si Hatch

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slammedb18acivic

Senior Member
whats going on i currently have a 92-93 ls motor in my 90 si hatch . i used a wiring harness,ecu,and distirbutor off a 90 ls motor. I am interested in putting a 94-95 ls motor in my hatch instead due to there are more on the market to buy. what do i need to do so to convert into my non obd car. can i use my

ys1 cable trans off 92 integra?
90 pr4 ecu?
90 obd distributor?

im most worried about what harness i need to use to prevent problems
with wiring into my current obd stock harness. anyone put this year motor into the 4th gen hatch? ???????? if so help me out .
thanks, mike
 
If you get the complete IM from the 90 LS (with injectors) and use the other parts you mentioned you should be fine.

ys1 cable trans off 92 integra
90 pr4 ecu
90 obd 0 distributor

Get the shiftlinkage, axles and intermediate shaft also.But you're going to need a mount kit to put a B series in a 88-91 USDM civic.
 
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