B18 swap 97 civic hb
Hello all,
I have read several forums and watched several videos on youtube, and I would like to just come here for a final parts list check to make absolutely sure that I will have everything I need to perform the swap before I get started, and have the best parts to make sure I do it right.
I am not concerned with budget on this build as I am going to take it in stages: prepare, swap, boost.
I have a 1997 civic hatchback with a d16y7 and manual transmission, and I am getting a 1992 acura integra from my friend with the B18B1 and manual transmission, I am still doing research on the obd1 swap but I'm sure it will be easy enough since I will have all the parts from the complete integra.
So I will have the engine, transmission, tranny linkages, ecu, wiring harness, axles, radiator and heater hoses, all from the integra, and i will use the carbon fiber cold air intake from the d16 on the b18, use the tranny mount from the civic as well as the compressor, and I am going to get the civic SI T bracket, the crv b20 2 post bracket mount and crv b20 ac mount, and I will do the majority of engine building later on when I decide to turbo it.
I plan to pull the b18 and have the head ported and rebuilt with bigger cams and valve train components (any recommendations would be greatly appreciated as I have done much research on Mini Me swaps and even have a y8 head intake and ECU in my trunk but have decided to B18 swap now that this integra has fallen into my lap, so I am still researching the best parts for the B18) and would also like to either port the throttle body or just get an aftermarket one (again if anyone has any suggestions I would greatly appreciate it). I would like to get as much power as I can NA, I don't care for numbers as much as reliability and DD-ability, as I will be loaning my SLK230 to my friend to drive once this is complete and go back to my civic that I miss so much. I do not plan on completely rebuilding the engine until either something goes wrong or I decide to turbo it. So if there are any other recommendations for other bolt ons I would greatly appreciate that as well.
So if I am missing any other necessary parts or anything recommended to make the swap go smoother, and any recommendations as to the cams and valve train I would greatly appreciate it!
This will be my first swap with a honda, I have only done OBD1 V8 stuff with Camaros in the past, so I am relatively new to everything honda, but I am loving learning about it.
I have read several forums and watched several videos on youtube, and I would like to just come here for a final parts list check to make absolutely sure that I will have everything I need to perform the swap before I get started, and have the best parts to make sure I do it right.
I am not concerned with budget on this build as I am going to take it in stages: prepare, swap, boost.
I have a 1997 civic hatchback with a d16y7 and manual transmission, and I am getting a 1992 acura integra from my friend with the B18B1 and manual transmission, I am still doing research on the obd1 swap but I'm sure it will be easy enough since I will have all the parts from the complete integra.
So I will have the engine, transmission, tranny linkages, ecu, wiring harness, axles, radiator and heater hoses, all from the integra, and i will use the carbon fiber cold air intake from the d16 on the b18, use the tranny mount from the civic as well as the compressor, and I am going to get the civic SI T bracket, the crv b20 2 post bracket mount and crv b20 ac mount, and I will do the majority of engine building later on when I decide to turbo it.
I plan to pull the b18 and have the head ported and rebuilt with bigger cams and valve train components (any recommendations would be greatly appreciated as I have done much research on Mini Me swaps and even have a y8 head intake and ECU in my trunk but have decided to B18 swap now that this integra has fallen into my lap, so I am still researching the best parts for the B18) and would also like to either port the throttle body or just get an aftermarket one (again if anyone has any suggestions I would greatly appreciate it). I would like to get as much power as I can NA, I don't care for numbers as much as reliability and DD-ability, as I will be loaning my SLK230 to my friend to drive once this is complete and go back to my civic that I miss so much. I do not plan on completely rebuilding the engine until either something goes wrong or I decide to turbo it. So if there are any other recommendations for other bolt ons I would greatly appreciate that as well.
So if I am missing any other necessary parts or anything recommended to make the swap go smoother, and any recommendations as to the cams and valve train I would greatly appreciate it!
This will be my first swap with a honda, I have only done OBD1 V8 stuff with Camaros in the past, so I am relatively new to everything honda, but I am loving learning about it.
I have heard Hondata a lot. Is it relatively easy to tune the OBD1 ECU with Hondata and a Laptop? Maybe download tunes online or anything like that? I dont really want to do it myself as I would rather a professional do it, and I dont necessarily need a full dyno tune either, just maybe some tweaks here and there to add a couple HP while maintaining some fuel economy and DD-ability. I am not looking to race this car, merely make it more fun. Which is one reason I am here and there about turbo. Right now it has a top speed of around 80 XD and takes about 30 seconds to get there. So i would like this swap to make it a lot more fun and pretty sounding, which it has a big upsized two tipped muffler on it that is poorly welded on right now, so it actually sounds pretty good with the d16. As well as splatter painted intake and valve cover making it look pretty lol.
thanks again for any suggestions!
You said the donor car was a 1992 Integra... this car comes with a B18A1 and a cable actuated T/O bearing transmission... not ideal for what you need to put into your EK hatchy. You mentioned the B18B1 engine... and if this is in fact what you are acquiring, that is better... but are you also getting an hydro or cable transmission ? Some parts are difficult to get for the older cable transmissions, so being able to repair them is a real concern. You should really be focusing on getting an engine and transmission from a 1994+ Integra.
You will also need to use the engine harness that is in your car now... and modify it to fit the B18 engine. Having the Integra engine harness will allow you to rob connectors/plugs and wiring to modify your Y7 Civic engine harness to make everything like factory.
The rest of your mechanical list looks pretty good.
You will also need to use the engine harness that is in your car now... and modify it to fit the B18 engine. Having the Integra engine harness will allow you to rob connectors/plugs and wiring to modify your Y7 Civic engine harness to make everything like factory.
The rest of your mechanical list looks pretty good.
You said the donor car was a 1992 Integra... this car comes with a B18A1 and a cable actuated T/O bearing transmission... not ideal for what you need to put into your EK hatchy. You mentioned the B18B1 engine... and if this is in fact what you are acquiring, that is better... but are you also getting an hydro or cable transmission ? Some parts are difficult to get for the older cable transmissions, so being able to repair them is a real concern. You should really be focusing on getting an engine and transmission from a 1994+ Integra.
You will also need to use the engine harness that is in your car now... and modify it to fit the B18 engine. Having the Integra engine harness will allow you to rob connectors/plugs and wiring to modify your Y7 Civic engine harness to make everything like factory.
The rest of your mechanical list looks pretty good.
You will also need to use the engine harness that is in your car now... and modify it to fit the B18 engine. Having the Integra engine harness will allow you to rob connectors/plugs and wiring to modify your Y7 Civic engine harness to make everything like factory.
The rest of your mechanical list looks pretty good.

I dont know much about tranny stuff, is it possible to swap the cable clutch to hydro? Or is the transmission itself not going to allow that
Edit there are connections for sale that will effectively change the cable to hydro, seems to be 100% bolt on and a easy change. Is this recommended? They are a bit pricey for two pieces of metal lol, $150.
do not put the a1 in there, it’s illegal as well. donor motor has to be same year, or newer than the car you’re putting it into. buying a kit to use the cable transmission would be a waste of time too, cables stretch and break etc. get a b18b1 swap and a hydro transmission. all the a1 stuff is just backwards technology in a 97. you could however use the a1 bottom end if you put a b16 head or gsr head on it as long as it’s 97 or newer.
it is actually a b18a1, I didnt know it wasn't hydro, i they all the 90s trannys were hydro.
I dont know much about tranny stuff, is it possible to swap the cable clutch to hydro? Or is the transmission itself not going to allow that
Edit there are connections for sale that will effectively change the cable to hydro, seems to be 100% bolt on and a easy change. Is this recommended? They are a bit pricey for two pieces of metal lol, $150.
I dont know much about tranny stuff, is it possible to swap the cable clutch to hydro? Or is the transmission itself not going to allow that
Edit there are connections for sale that will effectively change the cable to hydro, seems to be 100% bolt on and a easy change. Is this recommended? They are a bit pricey for two pieces of metal lol, $150.
Good luck.
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this includes headers, exhaust, fuel pump, oil pump, injectors, anything like that which can easily be replaced and add some extra power, as well as tuning supplies, I live in SC and the closest professional tuner is probably going to be in Charlotte NC lol, I can almost guarantee there is nothing within 100 miles of me. The same probably goes for professional exhaust work.
As for exhaust work, head to Buddy's Muffler and Exhaust in Belmont/Gastonia. Competitive pricing and they do great work.
do not put the a1 in there, it’s illegal as well. donor motor has to be same year, or newer than the car you’re putting it into. buying a kit to use the cable transmission would be a waste of time too, cables stretch and break etc. get a b18b1 swap and a hydro transmission. all the a1 stuff is just backwards technology in a 97. you could however use the a1 bottom end if you put a b16 head or gsr head on it as long as it’s 97 or newer.
I would stay away from ALL the "tuners" in Charlotte. Either go with RAW Performance (Lenoir, NC) or JMills Tuning (Franklin, NC).
As for exhaust work, head to Buddy's Muffler and Exhaust in Belmont/Gastonia. Competitive pricing and they do great work.
Excellent feedback, I am actually in aiken county SC, so I'm closer to GA than NC. And I've decided to skimp out and just use a 4.5 inch full catback exhaust I found pretty cheap on a couple websites, anything is better than stock lol. I posted a new thread updating the situation, the same friend has another 92 integra that was b20b swapped and is going to give me that instead, says it's a jdm b20b and hydro tranny, so better all around. I already got a 4-2-1 stainless header from a local guy pretty cheap, and still have to order the 3 brackets for the mounts, and I'm probably going to get new aftermarket mounts, if that's recommended, because I'd like to know they're good for a while and they arent a super expensive thing. But my main issue with the b20b is the CR, so I asked about the max I could mill the head and the gasket that would work well with a mill to assure I get a high enough compression to get the most out of the stage 2 cams. So check out that new thread and give me lots of good advice! I really appreciate it, and enjoy hearing from pros and people with tons of experience. Thanks!
There are no vehicle inspections in SC so that assumption is invalid. The only state that doesn't allow backwards swap is California, which OP does not live in.
As for exhaust work, head to Buddy's Muffler and Exhaust in Belmont/Gastonia. Competitive pricing and they do great work.
Excellent feedback, I am actually in aiken county SC, so I'm closer to GA than NC. And I've decided to skimp out and just use a 4.5 inch full catback exhaust I found pretty cheap on a couple websites, anything is better than stock lol. I posted a new thread updating the situation, the same friend has another 92 integra that was b20b swapped and is going to give me that instead, says it's a jdm b20b and hydro tranny, so better all around. I already got a 4-2-1 stainless header from a local guy pretty cheap, and still have to order the 3 brackets for the mounts, and I'm probably going to get new aftermarket mounts, if that's recommended, because I'd like to know they're good for a while and they arent a super expensive thing. But my main issue with the b20b is the CR, so I asked about the max I could mill the head and the gasket that would work well with a mill to assure I get a high enough compression to get the most out of the stage 2 cams. So check out that new thread and give me lots of good advice! I really appreciate it, and enjoy hearing from pros and people with tons of experience. Thanks!
There are no vehicle inspections in SC so that assumption is invalid. The only state that doesn't allow backwards swap is California, which OP does not live in.
I'm wondering if you did end up using the a1 trans I'm building my first honda its actually my first fwd vehicle and I have the same stuff i mistakenly bought a cable trans without knowing I needed hydro and considering getting the hasport conversion kit but cause I have a 96 b18b1 ls engine with a 93 integra ls manuel transmission so i was wondering if it worked out ive heard the trans from the 93 is a little bit more pick up in the acceleration but i haven't got mine mounted up to the engine yet so i was curious if everything worked out or if you had to change your transmission to a hydro
I'm wondering if you did end up using the a1 trans I'm building my first honda its actually my first fwd vehicle and I have the same stuff i mistakenly bought a cable trans without knowing I needed hydro and considering getting the hasport conversion kit but cause I have a 96 b18b1 ls engine with a 93 integra ls manuel transmission so i was wondering if it worked out ive heard the trans from the 93 is a little bit more pick up in the acceleration but i haven't got mine mounted up to the engine yet so i was curious if everything worked out or if you had to change your transmission to a hydro
but for my B20B I'm just going to get camshafts and gears and valve springs and retainers and have the head ported, milled, 3 angle valve job and rebuilt and may end up getting a thinner head gasket as well just to raise the compression up, Its hard to tell which compression the engine will have but I'm going to assume the 8.8:1 and do my best to raise it up to as close to 10 as I can get. Guy has a built GSR head on FB for sale that I may buy, a lot better of a head and would need less milling to get the higher compression. But I believe it has FI cams in it so I may end up having to get cams as well and I dunno if I want to spend that much yet.
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