Swap questions?

I have searched and found some info usefull. What i need to know is what motor swap would be most practical for a 90 Civic HB DX? One that will keep cost fair for the HP. Also one that offers enough aftermarket parts to build on and requires minimal to some modification. Im not looking for the cheapest but the most practical.

I will also need write-ups if anyone has them available.

I just picked up a 90 HB today. I am almost finished with the Prelude and will be horking on the Hatch next. Any ideas, cheats, and info you can offer will be awsome. Thanks all


http://memimage.cardomain.net/member_images/12/web/528000-528999/528935_5.jpg

i say sohc vtec

A agree, that is what i am about to do to mine. In my opinion you have more options with aftermarket parts and bolt-ons

get the d16z6 or d16y8 thats what i would do for a cheap but good swap . or more money but better swap get a b16/b18/b20

A agree, that is what i am about to do to mine. In my opinion you have more options with aftermarket parts and bolt-ons


How much HP difference would there be? And would I spend the same amount on accessories to get to DOHC level.

Nice Prelude man! neways SOHC z6 or y8 be a good swap, i got a z6 and i aint got a prob spanking DOHC.. ehh most ppl claim they dont feel the vtec engagement but i do. But then again i had Chris Rado's shop tune my car just perfect. I will always keep my z6 mini me swap for my next swap. But i know i will fall in love when i get my DOHC installed:) but wont ever forget my anti shit talking SOHC z6 ;) good luck man

Depends on who ya know. I plan on going turbo after i make the swap, but to do so i am going to make my own header and fab all the hoses and piping my self and just adapt a turbo i can get my hands on. As far as internals and things like that, you can run across deals on ebay sometimes or there are plenty of websites that offer differ accessories and what not. But i have heard of a guy with a built D16Z6 with a turbo running 14lbs of boost that got between 270 and 275 hp. It was balanced and blueprinted and bored to its entent but it can fly.

i have heard of a guy with a built D16Z6 with a turbo running 14lbs of boost that got between 270 and 275 hp. It was balanced and blueprinted and bored to its entent but it can fly.



thats alot of power. that cant be a every day driver is it?

my friend nate had a sohc vtec with rods and pistons and had stock sleeves but his block was posted. he ran 14psi and made 274whp. he drove it everyday

I dont plan on running at the track. Yet. but want something with potential. I could throw an H22a in and drop $3500 or so into it. But if I can come close with a B18 or whatever and save some cash and time I will do that. Money isnt that big of an issue but everyone likes to save money. That and I have to listen to my girl bitch. LOL. I was leaning toward a dohc but if I can reach some good Hp with a sohc that is also an option.

Can anyone send me in the direction of some write ups for these swaps. My goal is to start ordering parts by the 1st of the month. I have a few weeks of researching.


B20a swap 88 prelude si

http://memimage.cardomain.net/member_images/12/web/528000-528999/528935_27.jpg

what is your hp goal ?

what is your hp goal ?


Havent thought about a goal. But a motor that will give me oppurtunity to have a goal would be nice. I need to get a motor with decent Hp and available aftermarket parts to build on. Lets do this. If you had a Dx hatch and were trying to keep cost reasonable (not cheap) what would you do? And post some info on write ups friends

know h22 if you have that kinda money theres much better swaps out there

know h22 if you have that kinda money theres much better swaps out there


The bank has that kinda money . lol. They just loan it 2 me. Thats why Im looking for something affordable yet opportunity to build slowly (or better) in the future. If I can find one that has plenty of accessories and decent HP thats enough for me. I cant give an HP goal but would like to burn some rice and break down a few domestics. Being the fastest in town is not an option but would be nice to have them think about messing with my lil civic

No, not an everyday driver. complete roll cage and one seat. comp stripped inside and he ran 15" slicks in the front and had 14 in treaded tires on the back. Don't know why maybe it helped with handling since the front tires did all the work and the rest followed?

Don't know why maybe it helped with handling since the front tires did all the work and the rest followed?
It's because the front tires are the only ones you need to have grip. The rear tires are just pulled along for the ride. On every fwd drag car I've ever seen, they only had the slicks on in the front. It's poinless to have them on the rears because the front tires are the ones doing all the work.

Honestly if you're going to do a swap, I'd say go with the LS motor. Of course this is just my own personal opinion, but I'll tell you why. Because the LS motor has quite a bit more torque and horsepower to start off with. You can also find them cheaper than the other b-series vtec engines. But at this day in age, you can find thousands of aftermarket parts for almost any motor out there; especially the D's and B's. Also if you are even considering going turbo, then the LS has a nice low compression. It will be a little more expensive, but you'll still have more hp with bolt-on than you will with a d16xx with the same bolt-ons.

i would still go with the sohc and if you had the extra money throw a turbo in the mix with a intercooler and blow off valve. make sure you got a good exaust for everyone to hear the turbo wind up!!!!

well theres a b18c which cost about like 3500, then probably another 1500 for the labor for a shop to swap it so your looking at like 5k for a b18c. then theres the b16 which cost about 1300 so roughly and 1200 for labor, so roughly 2500 for the b16. then theres the ls swap which could cost roughly couple of hundreds less, unless you find a good deal somewhere. the thing iwht b series is that you can boost them up to 300whp and it will be reliable still, if tuned good. 300whp is 12s in the 1/4. faster than any stock domestic

oh scott just to inform you. there are no 15" slicks. the smallest i seen is 22" slicks. also when you hear the turbo winding up, your not actually hearing the turbo, your hearing the wastegate opening

Got a friend that has a H23 Vtec. anyone seen that. H23 non vtec block with a H22 vtec head. it really quick. Its in a 96 prelude but would give a b18 turbo civic a run for his money.

well theres a b18c which cost about like 3500, then probably another 1500 for the labor for a shop to swap it so your looking at like 5k for a b18c. then theres the b16 which cost about 1300 so roughly and 1200 for labor, so roughly 2500 for the b16. then theres the ls swap which could cost roughly couple of hundreds less, unless you find a good deal somewhere. the thing iwht b series is that you can boost them up to 300whp and it will be reliable still, if tuned good. 300whp is 12s in the 1/4. faster than any stock domestic


I have priced the B16 and the B18 motors. But without labor. I will be doing my own work friend cuz I am the shop. Anyhow,what I need help with now is some parts sheets. Anyone know where to get the parts sheets for a D16Z6 and a B18. I want to do some reaserch

wana bet on the 15" in slicks

sofast just grab a magazine and start going through the ads, anyways, nowadays anything you can do to a b series, can be done to a d series too. so it all comes down to preferance

wana bet on the 15" in slicks

show me. 15" is like the size of a spare tire

Got a friend that has a H23 Vtec. anyone seen that. H23 non vtec block with a H22 vtec head. it really quick. Its in a 96 prelude but would give a b18 turbo civic a run for his money.
:bs: The Prelude weighs far more than an '88-'91 Civic, and you can get a lot more whp out of a turbo b18 than a h23/vtec.
And I hope you're saying that the guy has 15" rims with slicks on it, if not then you have absolutely no clue what you're talking about and need to quit making sh*t up.

idk what is it. everyone seems to doubt what i say. it kind of annoying.

i was thinking he was talking aobut 15" rim too but now after his comment i think he thinking its a 15" rims.

and a ls turbo civic thats only boosting 6psi would be a good run with a h23 vtec. but then again anyone boosting a ls only to 6 psi doesnt know his motor that good

Isn't the VTEC conversion on a h23 a pain in the ass? I've heard its a really long and drawn own process... not sure though... anyone know anywhere I can read on it?

If you had the money, I'd got with a b16a and get to working. Parts for B series are so easy to come by its awesome, probally not as much as the D series but oh well. One thing I've always wanted to do is a b20 vtec. So I'd say if you had a b series tranny handy, do that. Only problem is the thin cylinder walls of the b20, but with sleeves thats resolved...

Go to ebay and type in "15" racing slicks" and you'll see them. I have owed a set in the past my seft but sold them

ok so how do i start this. that 15" slick is not a 15" slick, the 15 is the rim size you put the slick on. for example if you have slicks that say 24.5x9x13. its 24.5 diameter or height. 9 is the width. and 13 is the rim size. so your 15 is the rim size not the size of the slicks. seeing how you dont know that, i call bs on you owning slicks before

Swap in a 1.5 D15 from a DX and do a mini-me conversion.. Add lots of fuel with all the mods you can do for under $200, get a Mugen ECU and maybe a turbo sometimes, and then you'll have a wicked car to take to the racetrack and run 14.9s.

Thats all I've learned from this board...

Swap in a 1.5 D15 from a DX and do a mini-me conversion.. Add lots of fuel with all the mods you can do for under $200, get a Mugen ECU and maybe a turbo sometimes, and then you'll have a wicked car to take to the racetrack and run 14.9s.

Thats all I've learned from this board...

dont forget the 15" slicks

ok so how do i start this. that 15" slick is not a 15" slick, the 15 is the rim size you put the slick on. for example if you have slicks that say 24.5x9x13. its 24.5 diameter or height. 9 is the width. and 13 is the rim size. so your 15 is the rim size not the size of the slicks. seeing how you dont know that, i call bs on you owning slicks before


Ok when you go and buy a set of tires in to fit the rim. Now i usually say in this case i need a 15" tire, low profile maybe depending on what you want. anyway to the point you dont go to a tire dealer and say you want a wheen that is 24.5" in diamater. you tell him your looking for some 15's. and if you look at the numbers on the tire the last number in this case would be 15, which means it fits a 15" rim the whole tire itself maybe 24.5" around or what ever but they are called 15's when you buy them. ok tired of talking about slicks lets talk about something else.

idk what is it. everyone seems to doubt what i say. it kind of annoying.
Cause everyone knows you're full of sh*t! :grinno: j/k

Scott82 - Do yourself a favor and stop making up nonsense. All you're going to do is make people realize that they can't listen to what you're saying because all you're doing is showing that you don't know what you're talking about. Here, I searched e-bay for "15" racing slicks" and here is just one of the ones that came up: http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&category=66473&item=7955064072&rd=1&ssPageName=WDVW It clearly states that it fits on a 15" rim, not that they are 15" slicks. There's nothing people hate more around here than someone who pretends they know everything yet show they don't.

I could throw an H22a in and drop $3500 or so into it.

I wish it was just that easy to "throw" an H22 into a 4G!....LOL...or else I would've done it already.

one reason you dont say 15" slicks is because a 15" slick by your definition could be any size tire. when you tell soemone how big your slicks are, they dont want to know the rim size, they want to know the height of the slick, 24 or 24.5. if you using slicks, more than likely your on 13s or 15s anyways. when i go to a tire shop i dont say i want 15" tires, i say i want 195 55 r15s.

dont want to get into an arguement about this. just to let you know every single other racer in the US refers to the size of theyre slicks by the height, not the rim size. they say i have 24" slicks, not 15".

Like i said i am tired of talking about the slicks, but if you were wanting to know how much surface area of rubber was contacting assfault the you would want to know what the diamater is, Don't make it look like i am stupid just because it says newbie by the name all i was saying was that the guy some slicks on and ran at the track with a D16Z6 turbo built and it got down the track pretty in under 15 sec and was missing a gear, he claimed he could get into the 12's but i didn't see it that day, and he claimed he had around 275 hp to the wheels, i wasn't trying to make a debate on racing slicks, but was just letting you know what i knew about his setup, so get off my ass already

im just trying to teach you. no one care what size the rim is. it doesnt matter, what only matters is the height and width of the slicks so when you talk about slicks, say the height.

im just trying to teach you. no one care what size the rim is. it doesnt matter, what only matters is the height and width of the slicks so when you talk about slicks, say the height.

Yea but the question was directed at a motor swap and all i was just trying to do was let everyone know what i knew about his motor setup and the fact that he was running slicks. Thanks for the info though on the height i was just trying to help him answer his question on what is possibe out of a D16Z6 and in that case it was the most i had seen with my own eyes that a D16Z6 could do, and i am sure it could go faster cause he didn's have nos or anything like that, just a built motor and a turbo that if i remember right the turbo came off a sabb 900 and he adapted it to fit. Really wasn't trying to argue about the size of racing slicks but n-e-way.

Ok. Is a D16z6 a direct swap? I need a parts sheet if anyone can provide one. Thanks

Direct swap into what?

Direct swap into what?


the same car that was in my first post. 90 Civic Dx

when doing that, swap to obd1 and use the p28 ecu

http://hybrid2.honda-perf.org/tech/sohcvtec.html

Im on it. Thanks man

Are you using a differ tranny than stock cause in my case witch is crx hf and i am not sure of the DX but make sure the spline counts are the same as your stock depending on which tranny you use or you may have to swap the knuckles. Ask CivicKiller about that though he would know better than i would about conversions and what not like that

hes just doing a motor swap, all he has to do is swap his clutch and flywheel over to his new motor. or else if his sohc vtec came with the flywheel and clutch he could use that. i dont think hes changing his tranny

ok i knew it was differ for me just thought i'd give a head up just to check you get my PM civic killer Maybe you'll uderstand the Q's. Some things i know some things i don't, i just want to know exactly what i am getting into, prob same as everyone else.

Here's a q, civickiller. ok i have made the decision to use my HF tranny cause i do a lot of interstate driving and i need the gas milage. Do i use the HF Clutch and pressue plate or the Si or does it matter. And if i have to use the HF Clutch and pressure plate is there an aftermarket performance clutch and pressure plate for that setup?

what year is your hf ?

hes just doing a motor swap, all he has to do is swap his clutch and flywheel over to his new motor. or else if his sohc vtec came with the flywheel and clutch he could use that. i dont think hes changing his tranny


That was going to be my next question. I have a 4 speed trans. I definitly want to lose it. What are my options for trans? What clutches and flywheels would I be using? Thanks

the first post says you have a 90 dx. a 90 dx should be a 5 speed stock

89 hf crx

you can use an 89 clutch, pp, flywheel. or if you want to upgrade you can use the 90-91 clutch, pp, and flywheel

Well the motor i am getting would have the D16Z6 fly wheel, so the 92-96 civic 4dr ex clutch and pressure plate will work with the HF Tranny

So a D16Z6 with what trans? and what clutch? Thanks for the help

yoru looking for a trans sofast ? yeah 5th gen clutches work, im running one on my 4th gen now

yoru looking for a trans sofast ? yeah 5th gen clutches work, im running one on my 4th gen now


Yeah man. I need a new trans. I have a 4 speed now. What trans will mount to that d16z6? And are you using a 4th gen civic clutch? If so what model civic? What do I use for axels? do I use the ones I have now?

any d series tranny will bolt up to a z6. i am currently using a 5th gen dx clutch. you cant use 4speed axles on a 5 speed tranny so you gotta get new axles. but what you also gotta do is swap your knuckles for 5 speed ones. because your stock knuckles wont accept a 5 speed axle

any d series tranny will bolt up to a z6. i am currently using a 5th gen dx clutch. you cant use 4speed axles on a 5 speed tranny so you gotta get new axles. but what you also gotta do is swap your knuckles for 5 speed ones. because your stock knuckles wont accept a 5 speed axle


You lost me at the knuckles part. Can you please explain friend.