DPFI to MPFI Complete Wiring Guide - 88-91 Civic & CRX
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- เผยแพร่เมื่อ 22 ก.ย. 2024
- The continuation of the MPFI conversion. In this video I show you how to extend the TPS and IACV wiring and also create a subharness for the fuel injectors and the injector resistor box. I also show you where the injectors and the resistor box need to be pinned into the Ecu. I also offer any small tips that may have helped me in the past complete the MPFI conversion.
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Jon Widmer
PO Box 13594
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/ jon_widmer
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You speak and work as if you've done this a thousand times, I love how clear and accurate you work, thank you kindly from one Honda guy to another! I would so like to ask if you can confirm if an obd1 (92, 93) IACV will plugNplay on my "obd0" (90, 91) DA9 Integra? They're both two wire, thanks again!
Road Worthy wow, really love the comment!! thanks so much! Those plugs are exactly the same. I even believe the obd2 is the same, it's been forever since I've touched an obd2 car though.
Road Worthy forgot to add, sometimes the size is different on the iacvs. I've seen some which have the two mounting bolts closer together. I do not know why some are different though.
Thanks a lot! I'm currently working at an O'Reilly parts store and have access to huge savings and discounts so I figure now's the time although about 4 months ago there was an OBD0 specific IACV available those seem to have been discontinued, the 92-93 valves are also made by BWD but have different part numbers.
Post an update here if you get a chance, would love to make sure they are all compatible with one another being obd1 and obd0.
The bolt pattern on the OBD1 (92, 93) integra is different on the manifold so my boss recommended I go back a year, and sure enough the 1989 Integra IACV fits my 90 (And should fit 91) model Integra's.
Rewatching your videos recently makes me miss my CRX 😢
You are literally a Honda God for uploading this. everybody talks about how easy it is but nobody ever shows it in depth.
Thanks Boosted, much appreciated!! Hoping these videos help a lot of people out in the future!
Is anyone else impressed by what Tom Cruis knows about old hondas!?
Jon, your service to the EF community is outstanding! I am so glad I subscribed. This takes a lot of the mystery out of what lives behind my engine. I already have an Si, (Tahitian Green: the most 1991iest colour! Yay!) so everything was done at the factory, but now I know what to do, if ever I have to take put the IM. This video is EXCELLENT, but if you will permit me one expression of selfishness, I would like to know what are the components, for which you replaced the vacuum hoses? I am super-noob, and it's hard trying to figure this stuff out on my own.
They are all emissions components. The MAP sensor & charcoal canister are the 2 directly connected to those lines that I replaced. If you want to understand more about what they do, Google both. It'll give you some pretty in depth detail about how they work.
MAP sensor and charcoal canister. Got it! Thanks!
Best wiring mpfi how-to 👍👍
Thanks dude, really appreciate you taking the time to comment!!
So thankful for this series of intake swap videos, I've got the dual point manifold and wanna swap to a new one and everyone has told me it's just plug and play I dont have to do anything other then take mine off and put the other one on and run it, you're going in depth on what I truly need to do, this saved me HOURS of knuckle dragging mind numbing nonsense lol, I want to swap a Y8 intake manifold onto my d15b2 I read somewhere on an old form from 04-08 said it was possible and they've done it but no proof, I might sell that intake and buy a pgm intake. Thank you for this video though!
Great job cleaning up that manifold. It'll be interesting to see the difference in power when you dyno the new multipoint setup. Thanks for sharing. I don't own a Honda yet but I'm really fascinated by older Hondas.
Thanks, won't be much but it sure feels a lot more fun!
If I have od1 injectors, Do I just ground the wire for the resistor box since I won’t use the resistor box?
i don't have a honda but appreciate the work you do, cheers
Found your channel by random love it already quality stuff great content makes me wunna build up my da9
Vlad G Thanks Vlad, appreciate you taking the time to comment!!
Love your videos buddy.especially the crx videos.saved my butt a bunch of times.im getting another crx tomorrow so your video count is gonna go up I bit lol.your wiring videos are in-depth and very helpful.keep up the good work.
Thanks Adam! I got 2 crx videos coming out this Saturday and next Saturday, so tune it man!! 🙏
Commented before I’ve been watching a lot as I’m getting ready to swap my b20b from hmo into my dpfi hatch are you currently selling any merch etc so I can support your channel , you honestly have the most clear content I’ve seen on these cars. TIA
Thank you, no merchandise currently. Maybe in the near future
Nice, been waiting for this cuhz 👍🏽
Nice, thanks buddy!!
I had to do this years ago when I was 18 with a dohc zc motor. My very first swap and I wish I had videos like this back in 2005. Lol
Agreed. 👍
oh yea can't wait to check out this now. your instructional videos are always top of the line being informative, thank in advance!
Greatly appreciate that man!!
Subscribed! Thanks man one day I plan to swap from my Dpfi. Gotta gather all the necessary parts 1st
Good luck!
Great video and attention to detail, you're going to help a lot of people with this video series. Need to make it into a playlist so it's easily shareable.
Thanks Fabio, as you requested, Playlist created!!
Hey bro I did the way u show at the video but my injectors not getting power any solution?
greatest video EVER!!!!!!!!!!!!!!!!!!!!!!!! i am doing this next weekend so Awesome
Thanks dude!! The last video will be up Saturday also so you can complete it entirely!!
yo this video is the shit bro u going to help me alot most ppl were i live want me to paid 1000 to 1500 for this so thank u so much and god bless this man for makeing this video so i can do it my self keep it up and once again thank u
+oscar gee Thanks man, appreciate it and glad to help!!
After doing this would I essentially be able to run a jumper harness to this and a obd1 ecu so I could tune it ?
Yo i love young static but your how too made my job so much easier!! God bless
I’m building my d15 hatch and want to do this, bc I’m using stock engine for a while while my engine is being machined etc, please thanks man love the video
Dude, the quality and detail here is amazing!! Great work brother, thanks a ton!
+NinjaRooster anytime man!! Thanks for the comment!
Thank you this was help full .
Glad to hear!
@@GarageBuiltHondas one question . One plug looks like its not used. Its the one you said you qas going to leave hang. Should i cut it was confused on that. Unless its important.
I don't recall. I haven't watched this video in yesrs. Just do what I did and you'll be fine. You may need to rewatch that portion.
@@alfredomunoz6347 it’s the “fast idle control valve” on the mpfi manifold but called the tandem valve on the dpfi manifold, helps idle when cold out
Will B7/z6 fuel rail work with that a6 intake?
John if you read this..any chance you have the distributor plugs needed for the mpfi swap? I can't find them. Thanks.
I don't have any extras, sorry!
@@GarageBuiltHondas thanks
What purpose does eliminating the fast idle solenoid serve? Is it beneficial or is there some drawbacks
Hello GBH..
I did a DPFI to MPFI conversion to a D15B2 1.5L using a D16z6 intake manifold ,Td-02u distributor ,PM6 ECU ,A resistor box ..
I learnt that the injectors that came with the manifold are high impedance injectors meaning they can't work well with the resistor box,i have tried to delete the resistor box but the car can only drive for About 500 metres and jerks.......
👉Will i be right to get low impedance injectors to match the PM6 ECU?....Your help will be highly appreciated,all the way from 🇰🇪🇰🇪🇰🇪Kenya..
If going from a dpfi to mpfi and obd0 to obd1 at the same time, can I just group the resistor wires from the injectors together like in your obd0 to obd1 video? Thanks for these videos, great work!
Correct! 👍
Hey just wondering can’t I jus use the whole engine and engine harness if I have a ex or si mpfi motor and only rewire the injectors
Unfortunately no. The pins at the shock tower and by the resistor box area don't match up.
What is I already have a d16a6 from my ex but got t bone so I got a lx with d15b7 in and I want to just swap the engine over and still use the EX harness how could I do it with our swapping the whole cabin harness
I'm seriously considering buying a rust-less White 1988 GL civic 1.5 ltr within the next week. Just have to go and take a look at it and take it for a drive. Damn, I haven't been this excited about a car purchase, for about 12 years ahaha. I'm just wondering what would be the cost now in parts to do the conversion? in USD is fine, I'll just convert it to AUD :) the last question is, what did it do to the mileage per tank at normal driving vs "spirited" driving? did it become a lot more thirsty?
Thank you in advance and thank you for the informative clip. If I buy the car, once the work is done, I'll post some links to some pictures of it with the work completed if you like.
Hi there, I am from Philippines, I do have a honda civic ek lxi 99 model. its a carburetor type, I swapped the carburetor intake to p08 intake manifold. all sockets were into places, but then when I tried to start it, there was no priming. no sound from the main relay. I might be missing something, I font know if its the main relay, fuel pump or if theres abything from the wiring that I should do.
See if there's fuel and spark. See which one is missing. It just needs that and it should start.
where do the 4 wires that you removed from the original connector and capped off go?
Where did all the plugs originally go before changing manifold
So if I'm doing this conversion and the obd0 to obd1 swap at the same time, I can just run the 4 yellow/black wires from the injectors directly to the wire coming from the a15 pin on the ecu to bypass the resistor box. Is that correct?
I got a question i live in the uk and have a carb d14a1 engine any idea on how i can convert it to mpfi? Or is there any videos out there? Thanks!
My 89 sedan, it doesn’t have a resistor box would I just run those to ground ?
at 4:08 you say you dont need that wire now what is that usually used for?
Thank you so much for this
Glad to help!
Hey I have a d16a9 dohc from a crx for my twin carb GL 91 UK civic I have no loom and no ECU as of yet not many d16a9 looms about can I cop another loom? Great work on cleaning the inlet I know first hand this isn't a fun job lol
If another model of the same generation has your engine setup then it should work.
what size vacuum hose is that?
I cannot remember the size. You can buy it in packages at AutoZone and O'Reilly's.
Great write up / how to man! I am pulling the trigger on this, have everything torn apart and am prepping. The only question I had, was at @12:20 I saw that you had the connector to the resistor box, but when the screen changed all the wires were hooked up from the fuel injectors. Does it matter in what order they are wired up? Thank you, and great write up, I will be using a socketed PR4
No, any order works
@@GarageBuiltHondas very fast response man, definitely subscribed!
I love your content!!
I have learned so much watching your videos.
I have followed the steps in the guide as far as I can. I have a couple of doubts, to see if you can give me a hand.
-The conversion of the injectors, all perfect.
-The wiring of the 4-wire lambda probe, everything perfect.
-Prolong both TPS and IACV, all perfect.
My doubt comes when removing the pins from the old connector, to make them coincide with those of the new distributor, D16z6, I understand that 5 coincide, right? The other two are the new ones that need to be wired to the ecu? Are they C1 and C2?
Thank you very much!!
12:45 Those are the GROUND wires. The injectors get constant 12 V with the yellow/black wires and the ECU grounds the injectors to get them to open.
Do you need to change ECUs to do this?
Great fucking video! very detailed just good shit man! keep up the great work because it's fucking appreciated! THIS DUDE HONDA GAME ON POINT! RESPECT!☝
oldskool DA9 much love man, thanks so much for the support, I can't tell you how much it means!!
Do you need to change ECus to do this?
Yes
Very detailed!
👍🏻
No need to extend the tbps and iacv plug. You can just cut back the harness and the wires will reach.
Thanks for the info and tip! Smart!
Hi mate.. i need help.
I have 1990 civic ef dual carb (japnese model with D15b) i got a D16zc motor from my friend's 1989 CRX.
I want to drop this in to my civic. Can you please advice if i can use CRX engine harness and pm7 ECU to get it run?? What other wires i need to change?? Is it possible to do this conversion??
Many thanks in Advance.
You need to re-use your original harness and do the mpfi wiring setup. The pm7 will work with that engine.
Thought the yellows wires from the injectors went to a15 on ecu
I have a question about that swap. So I understand everything that’s going on in that video but i need some info about converting to obd1 or 2 injectors. From the DPFI. So I assume that I would do everything the same with A1-A3-A5-A7 but the A15 wire which would normally go to the resistor.? What if I don’t need a resistor for my injectors? Where would a15 go ? And also the yellow wires for each injector that would normally go to the resistor. ? I’m doing a b series with the obd1 Ecu chipped ect.. I’ll have a jumper for knock, VTEC, O2 ect... and a obd0 to obd1 jumper aswell for the main. ? Would I tie the yellow wires if ea Injector directly too a15? Skipping the resistor?
Does it need to be tuned after this?
No
Awesome video.
I have a request, for a ls vtec video that feature using ls parts that are common to Frankenstein ls integra intake manifold to em1 b16 cylinder head
Hi bro, i'm a little confused:
I have seen many videos/tutorials/guides about the DPFI conversion to MPFI.
Some of them says that the order of wiring the injectors are:
Dizzy...#4--#3--#2--#1 Timing belt.
Anothers says totally the opposite:
Dizzy...#1--#2--#3--#4 Timing belt.
What is the real order? What could happen if the order is wrong?
Thank you!!
Cylinder 1 is always closest to the timing belt. Same goes for injector order. 4,3,2,1,belt.
Terrific video. Quick question. In your video you were replacing what you called "vacuum" lines but were swapping a hose to the fuel pressure regulator. Are vacuum hoses safe for carrying fuel? My current knowledge is that you use either a fuel, heater, or vacuum hose depending on the application. I thought vacuum was only for lines with just air and no fluid.
Thank you for your time and help!
The top nipple of the FPR is a vacuum hose. No gasoline goes through that line. The return line which goes off the bottom of the regulator is made for gas. But no, vacuum lines cannot be used for gas or coolant. Thanks for the comment, I appreciate you asking!!
did you use the original dpfi harness for this? in doing a dpfi to mpfi conversion on my 91 hatch for a mini me swap and im lost when it comes to the wire harness.
Yes
congratulations for the video !!! really beautiful! I did the same job on a Civic eg4 (d15b2). after mounting the P06 control unit and everything needed for the swap, I found only one problem: with the engine cold the machine does not keep the minimum! I can't understand why! hot everything goes smoothly but cold, for the first 2 minutes the minimum is really low! I repeat, only from cold though! would you have any advice to give me? thank you! 😁
Is the IAT working fine? Also check the FITV.
Please help me I have a 1990 honda civic dx that had a d15b2 I am swapping a z6 into the car I have followed your instructions completely on the dpfi to mpfi then added a jumper harness and I'm not getting spark and I can't figure out why.
It has to be a wiring issue. Double check your distributor wiring and the pins at the ecu.
Great video. i like your explanations and your attention to detail. Making it look oem.👍
what is that thing behind the manifold? 4:10
Thanks Felix. It's called the "fast idle solenoid". It's an emissions component. It's not needed. I have an 88 CRX Si that doesn't even have this part on the back of the manifold.
How do i know if i have to add a resistor box, how can i tell if the injectors in the manifold i have arr obd0 or obd1?
Google the injectors. It's identifiable by looking at them.
Hope you see this lol. But for the common yellow/black running to the resistor box. Does it matter which injector goes to which wire?
No
great video bro super detailed awesome work 👍
Hey Jon avid Subscriber Here to your EF videos. You simply have a gift for making these D.I.Y videos... You almost never cut out any steps in videos and have the ability to keep me hanging on every word along the way. I recently got myself another EF hatch in 89 DX to be exact. And also just like you I am in the preparation stages of dropping in a B20 into it. this isn't my first go about when I was 21 about 10 years ago had a 91 DX hatch with the B18 A1 swap in it but unfortunately the guy who did most of the swap didn't really give me directions thoroughly throughout the swap mostly let me defend for myself once the swap is done but ended up pulling it and installing it two or three times but now getting ready to do the full thing myself from the dual point setup I am finding out about the whole multi point conversion needed to be done. I was wondering if you could answer me the quick question and let me know if I'm headed in the right direction but I have a B20 with a LS intake on it and all OBD1 components that came from a 92 OBD1 da Integra. So I got the pr4 ECU I believe was the number might have to double-check with the same dizzy that came on the car and injectors as well as the the original engine harness and a OBD2 harness on the side if any wires are needed. My question is is this setup you got for all the sensors and vacuum lines roughly the same to an extent for the p75 intake manifold from the DC Integra? Would following your instructions Point me in a direction to get to where I can get plugged in with what I have? I know I will pry still need the ECU jumper to run the ECU through the car harness into the engine harness correct? And Leslie is running a pr4 ECU on a OBD1 p75 intake manifold going to cause me any issues or do you think it's a better route to go with the intake off the 92 LS instead? I'm sorry comment was as long as it was but I've watched hours upon hours and given that you have a B20 in your EF hatch which I believe is also in 89 I was just hoping you could point me in the best Direction. I'm in Colorado so emissions are fairly lenient here. By the way I'm literally mid way through the rear disc conversion from the da on to the EF from your video but have just been played by doubt from this mpfi conversion and really not wanting to have to drop three to four hundred dollars on a conversion harness at this point. And I believe you're the man that can shine light into the darkness LOL thanks man hope you can take a minute to lend some words to an eager ear with steady hands ready to follow.
So you believe you're running a PR4? See if it's obd0 or obd1. I've read that some of the 92-93 Integras had an obd1 pr4 and some with the p75.
You can use any of the Integra LS intake manifolds, that's your choice. The sensors will have the same plugs on all of them. The distributor is different from obd0-obd1 though.
Are you wanting to go obd1? Because if not, you'll still need to do the dpfi to mpfi swap, but that's not difficult, just tedious.
Hope that helps, if I missed something or you need more clarification, let me know.
Garage Built Hondas Yea it's an PR4 OBD1 ECU out to a 93 DA Integra LS I'm using it as my part car for the B20 Swap. Just did the rear disc conversion. Question for you... is that one still your tracker the EF with the B20 in it? Are you running the B16 tranny on it and did you stay cable I opted to go with the GSR cable tranny given that it's going to be kind of my weekend fun drive car so I can get my 01 Integra off the street everyday if you will see it in my profile picture and I got a K24 waiting to get enough funds for the K swap package and have some real fun in my LS Integra that just by the looks of it now constantly get people trying to race.
Yes, but it's in this shell now. th-cam.com/video/Cx_NtS4Aj9g/w-d-xo.html
If you watch those videos you'll see that I had to stay with the LS transmission for now as the B16 casing was punctured.
Garage Built Hondas Hey Jon after watching that video you linked with your reply I noticed your mounts didn't look aftermarket. What did you use if you don't mind me asking?
They are. Those are Innovative Steel mounts with the 60A urethane.
So i have to do this for a obd1 b18c? It has obd1 p72 ecu. I have obd0 dpfi d15b2 eg4. And the rest by your obd0 to obd1 video?
Yes, that is correct! You'll need to convert to MPFI.
the Sohc Life
x_caveman_x nothing wrong with that buddy!
How would this go as far as the process to go from dual point to multi for my b20b it’s my first swap and the wiring is wigging me out sorry if it’s a stupid question
TIA
Same
Do you need to do any of this, if you’re going to convert to obd1?
I have a d16z6 and going to put in crx. Do I skip this and just buy the conversion harnesses?
That works.
I have a really good question I did this mpfi swap.. how do I get rid of the eld code 20 that's putting my Charging in limp mode? Dx 90 hatchback don't have eld...my 89 pm6 ecu does!! It's my daily help! Lol
Did you try changing the engine bay fuse box. I heard this issue can stem from the box.
such a good video!
Thanks Matt!
Where did you find the resistor box and what does it come off of
88-91 Civic/CRX Si models. Also 90-91 Integras and some other 88-91 Accords and Preludes but those will just look a little different.
What should i do with the injector wires that I depin from the clip to the ecu should I cut them and tape them shrink etc. And totally delete them
You can put heat shrink over them and tape them up together and leave to the side.
Great Video ! Very helpful !!
Feels amazing to be back in the EF gang lol, lost my tahitian green one awhile ago but just found a pretty nice little hatch today!
Awesome, what do you mean lost?!
got t-boned by an old lady and around here there arent many efs so it took awhile to find one
Glad you're ok!! A car is just a car, even if it is an EF. Lol
haha yeah it wasnt serious, no one was hurt and the old ladies suv was barely damaged, the old ef crushed like a tin can though lol
Kaden Christensen that's scary, these cars are pretty soft!
can you put an obd0 ecu with obd1 injectors without resistance box?
No unfortunately.
Is the 1990-1991 crx si harness really different from the 88 and 89?
Cabin and engine. I've heard yes. I csnt be your source though, never swapped them around.
I have 1988 civic dx hatch with automatic trans what ecu I need to be able to do conversion?( ps9 ecu from 90 civic ex automatic)is ok ?I wouldn't have problems?
Yes
Ok are you still uesing the obd0 or obd1? And can I do the same method for a D16 Z6 going from a non VTEC to a VTEC
+Mikey Dugan obd0. Yes it's the same method but you'll also need to convert to obd1 to be able to use the p28 ecu.
Garage Built Hondas okay so I don't have a p28 ECU but I was wondering if I could do to the engine harness like a birthday over to that and then run it into the old obd0 and just put the VTEC on a button
+Mikey Dugan I have no idea if that works. You may want to research that online.
The green connector with the 4 red wires where did you get this from? Was this the green clip you cut off that you said you werent going to cut off before you cleaned up the engine harness
+Logan Beringer It's for the resistor box and you'll find them on any mpfi civics/accords from the early 90's.
Garage Built Hondas oh okay thank you
So there’s a map sensor on the firewall and intake????
Only firewall on these chassis. Some people elect to move it to the throttle body for cleanliness.
I need to obtain the resistor box which one should I get? 1988 civic dx hatch with dohc zc
+Logan Beringer any from all Si or HF models. Even the older accords and integras will have them too.
I'll said it again, super cool videos @Jon Widmer, I have a question, if I want to use a 92-95 intake manifold with injectors and fuel rail of that year, all the connections are the same? The TPS, IAC, IAT etc, I didn't know that for the d16a6 intake are the same connectors, and do I need to use the resistor box even with the 92-95 injectors?
Kevin Martinez Yes they are. You'll need to wire the obd1 injectors together to not use the resistor box.
So im doing a mini me swap i got a y8 head and im trying to get a z6 manifold can i use this method for that
Yes
Is this the only intake that works with a b20 in a Ef wagon?
I'm unsure
So how much horsepower gains are there between MPFI and DPFI?
Edit: NVM I saw the dyno lol.
Not much in actual HP, but the car feels a lot more peppy and makes future swaps easier.
What did you use to extend the TPS and the other plug? And where can I buy it? I must have missed something. Seems so simple
I just extended the wires by cutting them and adding more wire do they reach where they need to go
Sick videos man ! Really excited to do this! Just picked up a 90 EF Dx Hatch to mess with on the side and this is a perfect first mod. 2 Question for yah. 1 What gauge wire are you using to make the harness. 2 What more would i need to do to use a obd1 ecu instead of a obd0 ecu, my long term goal is to do a mini me swap with low comp rods and pistons and just do a cheap ebay turbo kit and have some fun and my understanding is obd1 is much easier to tune
16 gauge
Obd1 Is the way to go for your future plans. You'll need the subharness for the ECU and distributor plugs if you don't want to re-pin them, and that is the easiest route to go. And also the heated o2 sensor will need to be wired in but not very difficult either.
I'm really enjoying your videos. I've been bingeing them all day, LOL... Its really motivating me for my EF sedan.... I want to do a b series turbo, just don't know which B series.. I'm leaning towards non vetted b20. Or maybe a k series but I'm not sure if the OEM hood would close. Do you know if EF's with Series are able to close the hood? the K series seems like a tall engine.
+LockTest I'm loving that you've been watching and commenting, it means a lot to me to make videos that people enjoy!!
You seem relatively new to swaps? If so, the b20 non vtec is a wonderfully inexpensive engine to buy, yet they can be super potent with the right mods. I absolutely love the way mine feels and it's perfect for me on how I drive it at the track. I think it would be a great start for you, without throwing all your money at just an engine.
The K swaps are unmatched. Unfortunately the k20 will fit the best but may require some hood trimming and possibly lowering the engine but it's a tough fit still. The K will be a ton more in cost, even a budget K swap would probably be close to $3000 completely.
Yes I'm actually new to the Honda swaps. I've done an m50b25/turbo swap on an 1988 BMW 325i, at around 1.2 bar it made 467whp 443ft/lbs. The EF sedan will be my first foray into Hondas and japanese cars in general. Thats why I;m finding your channel so helpful and enjoyable as I'm so new to hondas and their potential. I like the idea of a k swap as its the most modern but I love the stock appearance of the ef sedan a lot so I'm not keen on having to trim up the hood, So that why the b20 seems appealing. good potential and a seemingly straight forward swap.
+LockTest you could spend a little more and get a b18c1 GSR engine. Dohc vtec, very nice power and with bolt ons and tune can easily make 180whp. That would be really fun in an EF sedan!
Thanks for the suggestion, I'm going to look into that! Since I'm new to hondas I haven't joined any community forum yet. What would you recommend would be a good EF centric place to join?
+LockTest Honestly a lot of the forums are dead. I used to be on honda-tech.com religiously until about 2-3 years ago. There is still some activity and a lot of info there still.
Is this a carburator type engine that yiu convert into efi?
No, this is a 2 fuel injector model.
Hi, I have b16a2 engine, i am going to use my old d16a7 engine harness with obd1 p30 ecu, is this tutorial going to work with it?
What car?
hello in your archives you have the electrical diagram for crx v-tec thank you engine code B16A1
Would this method also work for a b18a1 swap? Great video by the way, explanation was very easy to understand.
Yes
@@GarageBuiltHondas Great video, thank you! I'm doing B18A1 swap to 1988 DX CRX with D15B2. I'm a newbie, what is the source car for the injector resistor box? Can I use the existing ECU or the new ECU? I also have 37820-PR4-A01 ECU from a friend. Looks like I can use and mods the existing engine harness. I just need your confirmation.
Obd0 pr4 is perfect.
Resistor box will come from many Hondas obd0. I've seen them in Preludes and accords also.
@@GarageBuiltHondas if I'm going obd1 what do I do what the yllw/black cables going to thr reistor
th-cam.com/video/w0P80zWLCnM/w-d-xo.html
What is the reason to do this said swap? What is the purpose?
Make more power, especially if swapping to a different engine.
@4:22 I have that’s same valve on my MPFI. Would leaving them alone be alright? Or would I have to get them covered and plugged?
You can do whichever you prefer. 👍
What ecu and resistor box you used ?
th-cam.com/video/igGZthAHGSI/w-d-xo.html
I'm about to b swap an old 1990 hatch, this info is coming in handy! Any tips or tricks on the swap itself?
Not really, it's pretty straightforward.
@@GarageBuiltHondas Mpfi swap, motor mounts, OBD1 conversion, B series Axel's. That's it?
Trying to do the same swap on my 91 hatch, is there any way to get an exact parts list for purchase. Going to use this video as my DYI guide S this is excellent information and teachings for advanced and dummy mechanics... trying to swap on a budget, so might be buying some parts used or donated if possible...
th-cam.com/video/igGZthAHGSI/w-d-xo.html
HI , I teach a high school automotive class and we are currently doing a honda swap. Great video and it has really helped the students along. We are close but only have 2 injectors working ( Cylinders 1 AND 2) We are installing a1990 Integra B18 MPFI into a 1990 Honda Civic DPFI. My questions is does the ECU have to be a PM 4 ? Right now we are working with the Civic's stock ECU which is a PM 5. We also have the integra's ECU which is PR4. Do we need to locate a Civic PM4 to fire all the injectors in the B18 ? Thanks
Hey Kenny, thanks for using my video!
You can use the PM6 (88-91 Civic/CRX ECU) but the PR4 (90-91 Integra) is the best. I had a friend using a PM6 for a few months in his CRX B18 swapped, but he said the car ran much better when we swapped over to the PR4.
Good luck, I hope you all get it running well!
@@GarageBuiltHondas Ok thanks a bunch. Really trying to get this thing running as we are so close now. I can get a PM6 low cost at the local wreckers so Think I'll try that as we seem to have no luck with the Integra PR4 that we have. But will look into sourcing another PR4. Thanks again.
You're welcome