Y8 into a 90 Civic 4dr
- Thread starter JoelATX
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D16SiHatch
Active Member
yes it will physically bolt in perfectly and work with your stock transmission, however, it will require some wiring modications if you want to recognize it's full potential.
you will need to convert to mpfi for one.
https://hondaswap.com/swap-articles/dpfi-mpfi-writeup-49557/
if the head has vtec then you will need to get an obd0 to obd1 ecu jumper with subharness so that you can run a p28. then you'll have to run wires into the cabin for vtec and a 4 wire o2. this is one of many options when it comes to this particular conversion.
Rywire - Online Store
if you are only looking to get the car running for as cheap as possible though and/or are not interested in making a bunch of power then yes you can drop the engine in as is and use your current ecu, intake manifold, wiring harness, etc.
you will need to convert to mpfi for one.
https://hondaswap.com/swap-articles/dpfi-mpfi-writeup-49557/
if the head has vtec then you will need to get an obd0 to obd1 ecu jumper with subharness so that you can run a p28. then you'll have to run wires into the cabin for vtec and a 4 wire o2. this is one of many options when it comes to this particular conversion.
Rywire - Online Store
if you are only looking to get the car running for as cheap as possible though and/or are not interested in making a bunch of power then yes you can drop the engine in as is and use your current ecu, intake manifold, wiring harness, etc.
I realized that my question is not just a yes or no kind of thing. So I'll break it down into sections, that way everyone can help out with what they have done before.
I'm using a D16y8 block with a SOHC ZC (non VTEC) head is going into a '90 Civic 4dr which had a D15B2 engine with a cracked block.
For now we just want it to run and pass Texas emissions test. Will not be doing the DPFI to MPFI.
Listed below is the part - solution
Motor Mounts - Y8 driver's side mount and bracket
Y8 to current Tranny - Yes, all good
Clutch/flywheel/linkage - Good?
Shifter linkage - ????
Y8 to ZC head - oil control jet issue, compression issue (pistons or shave head), DX(B2/B7) timing belt
Timing Belt Cover - ????
Thermoswitch location change - ????
New water pump and pipe o-ring - always
Other sensors - ????
Intake manifold - Use original D15B2
DPFI - Use original D15B2
Engine Harness - ????
Coolant/Heater Hoses - ????
A/C compressor - ????
I'm using a D16y8 block with a SOHC ZC (non VTEC) head is going into a '90 Civic 4dr which had a D15B2 engine with a cracked block.
For now we just want it to run and pass Texas emissions test. Will not be doing the DPFI to MPFI.
Listed below is the part - solution
Motor Mounts - Y8 driver's side mount and bracket
Y8 to current Tranny - Yes, all good
Clutch/flywheel/linkage - Good?
Shifter linkage - ????
Y8 to ZC head - oil control jet issue, compression issue (pistons or shave head), DX(B2/B7) timing belt
Timing Belt Cover - ????
Thermoswitch location change - ????
New water pump and pipe o-ring - always
Other sensors - ????
Intake manifold - Use original D15B2
DPFI - Use original D15B2
Engine Harness - ????
Coolant/Heater Hoses - ????
A/C compressor - ????