Ok so I have a 88 crx hf and I want to put a d16 cuz I don't want to deal tranny problems Ecu stuff and emissions problems if any one could help me or tell me what type of d16 would be best year of the car

 

What transmission problems are you referring to? As for the rest that's all dependent on what your local smog laws are. I'm willing to bet a D16A6 is a safe bet for you.

 

Well what I mean by problems is that I want to replace the whole engine and tranny but I don't want get a different engine and tranny then have the problem of tranny not going in or having to buy of modify my engine mounts

 

Any 88-00 Civic D-Series engine will bolt up to your existing transmission. If you want the easiest switch up for a transmission get an 88-91 Si or DX(LX) manual transmission and it will all bolt up like stock (and switching from that HF transmission will be a night and day difference though I'd personally hold onto that HF transmission).

 

I just got done again compiling a list of things that I will be torqueing down while I assemble my motor and do my swap.



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Si trans would be a great upgrade for you, and the engine depends on what you want. Are you planning on doing MPFI and OBD1 conversion both?

 

Nice nice now I know I will try get a d16 vtec and as for tranny I will get a complete swap sure I try to find an si tranny

 

And sorry but I am not still into it so much as to know what OBD1 means if u would mind explaining

 

You can google the specifics for this.

The quick version is:

91 and older = Pre OBD (OBD0)
92-95 = OBD1
96 and newer = OBD2

*There's a split between OBD2, happened around 98-99 and goes from OBD2A to OBD2B.

What this means for you when you do swaps is you have some different connectors and some different sensors that vary between OBD versions.

 

Ok ok so my crx hf is a OBS0 and the engine I want to buy is 96-00 so it's OBD2 so I will need an OBD1 Ecu adapter and then could I buy a OBD2 adapter that way I connect them all would that work also my tranny is cable and the one from the new engine is not would I need to modify something to make the clutch work

 

You have to convert the wiring to MPFI if not already setup for 4-injectors, then use OBD0-1 harness and use OBD1 ECU. The OBD2 engine and sensors work with OBD1. Contact me through my site and I can help you out.

The transmission you want to match to the chassis, use the si cable trans it will bolt up to the d16.

 

His HF is already MPFI.

Look, it'ts really simple.
All D16's bolt to your engine bay using ALL the engine brackets and mounts that are right now holding your engine. As long as you use a D series cable actuated transmission, you are fine, it will bolt on and work the same.

You need to decide what engine you are going to use.
The simplest would be a D16A6. you just need the CRX Si ECU are you are good to go. No convertion harnesses needed, you can use the harness you have right now. Even the HF distributor works with the Si engine.

Until you decide on the engine, it's hard to tell you what to do since the engine/ECU/Distributor (VTEC or non VTEC) combinations are many

 

Ok so I want to get a zc/d16a SOCH 96-00 non vtec

 

So you want a D16Y7 engine. That is an OBd2 engine. You will need an Obd0 to OBD1 ecu conversion harness. A non VTEC OBD1 ECU. 4 Wire O2 sensor. The OBD2 distributor will work, but you will have to rewire the plug. Also if you are using the D16Y7 alternator you will have to rewire that as well. Use the Y7 harness as a source for the plugs you will need . To make matters simpler, I would use a D16A6 intake manifold and throttle body.

Now. If you really, and I mean really want to make things simpler and you don't need high performance, then just swap the D15 Hf long block with the D16y7 long block.
Reuse EVERYTHING that the D15 had on the Y7 and it becomes a one day swap and you are up and running in no time.

 

good luck with the swap. The zc swap shouldent be too difficult but. i know with obd1 when you buy the ecu harness it comes with extra wires you run to the engine bay for new sensors on the engine that you didnt have before. i would search around for a obd0 to obd2a or obd2b ecu harness, i looked but i couldent find anything. that would be the cleanest way. i also used 2 ebay $20ish ecu harnesses and never had a problem so no reason to fork out alot for one.