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Thread: B18 engine swap

  1. #1
    DX User SEiCOOLGUY's Avatar
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    B18 engine swap

    If i was to swap in a Integra GSR B18 engine, would i need anything besides the usual...like new axles and stuff?



  2. #2

    Hash_man_Se_i's Avatar
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    this topic has been brought up many times, try using the search feature.

    But yes, you will need new axles, engine mounts, and wiring harness, as well u will need to convert your car to OBD0 or OBD1 i believe. Most of the parts neeeded can be aquired from Placeracing.

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    Project-LXi's Avatar
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    You will need Engine, Tranny, Mounts, Wiring Harness, and Shift Linkages.
    - Matt

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    DX User SEiCOOLGUY's Avatar
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    what exactly makes the B18C swap so expensive as compared a to a b16? how much money would i need to save?

  5. #5

    Hash_man_Se_i's Avatar
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    the b18 engine itself costs more than the b16, but does that for a reason.

    the engine itself is probably around $4000CDN, then about $1000 US for the mounts, wiring etc.. then install unless you can do it yourself will probably be somewhere near $1000CDN i would imagine/

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    2.0Si User Blue Impact's Avatar
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    Ask wickedaccord...
    Quote Originally Posted by k-roy
    Street racing is for idiots.

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    DX User Ducati's Avatar
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    Is going from the B16 to B18 really worth it? If so, Why?

  8. #8
    LXi User Oyvind Ryeng's Avatar
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    Quote Originally Posted by Ducati
    Is going from the B16 to B18 really worth it? If so, Why?
    More displacement - as you Americans say, there is no replacement for it. Easier to get more power out of because of the lager capacity. Both engines also have *HUGE* aftermarket support, and thousands of people with skills in tuning them.

  9. #9
    DX User Ducati's Avatar
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    If the old adage "There is no Replacement for Displacement" had any truth remaining to it, the Chevrolet Big Block 454 would still be King of the Drag Strip.
    Obviously someone forgot to tell that to the guy with the 1999 Acura and the old VW Beetle who utterly humiliated the 454 Chevelle at Mission Dragways last year.

    Being solidly from the old school of big block musclecars and hi-revving pony cars (Having owned a Hemi GTX, a 340 Dart GTS and a GTO 389 TriPower, among numerous others) it took many years for me to realize that our V8 monsters were no longer the best way to go for a fast, entertaining street car. Sure, the MoPar Hemi still rules in the Pro classes, where it can be modified to produce 3000 HP, but lets keep this practical. We drive street cars, and displacement is no longer king.

    Anyway...I digress. Sorry.

    So, is that 12 valve Accord engine called a B16?
    Whats the story with it?
    I am not interested in making a high revving performance car out of it, just keeping it reliable. If I want to go fast, I believe in motorcycles.

  10. #10

    shepherd79's Avatar
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    stock 3G motors called A20Ax. X- will vary from model. carb motors are A20A1 and EFI motors are A20A3. outside the US and canada the carbed motor was labeled as A20A2 and EFI A20A4.

    I have a friend who is swaping B16 into his 3G coupe. well so far he spent close to $5K may be even more by right now.
    the swaps are never cheap, but they are worth every penny when it comes to performance.
    if you are on the budget of $3k i would say go with Sean's EFI kit and turbo package.
    Alex.

  11. #11
    DX User SEiCOOLGUY's Avatar
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    is it possible for me to do a complete engine swap for about $2,500 or am I thinking unrealistically? I'd sell my A20 and the tranny...

    I find B16's for around $1,500 and it comes with the tranny as well as some other stuff...what makes it so expensive?

    http://cgi.ebay.com/ebaymotors/ws/eB...sPageName=WDVW
    Last edited by SEiCOOLGUY; 05-09-2004 at 02:32 PM.

  12. #12
    DX User Ducati's Avatar
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    Well, this old fart needs to do some learnin' - what is the Honda heirarchy of engines? Which are the best motors and why? Which motors are the most reliable, and which motors will run well on regular unleaded pump gas.
    If I were to build a V8 beater, which engine would I be best to use?

    Also, what is it about the G3 that seems to have earned that model such respect?
    What would be the ideal Honda or Acura if you were to start all over again?

    Too many years in the paint booth inhaling solvents has rendered my brain soft, and I am slow on the uptake. So forgive my noob-ness to this whole import thing.

  13. #13

    SteveDX89's Avatar
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    Honda has many engines.

    Series:
    A - 3g motors
    B - Older version is JDM Accord, 3g Preludes. Newer version is the B16, B18 VTEC motors.
    C - V6 engine
    D - Civic except Si
    F - Euro and USDM Accord, S2000
    H - Prelude, JDM Accord (I think)
    J - V6 engine
    K - 7th gen Civic Si, RSX, 7th gen Accord

    Which are the best is a matter of opinion. Some consider the best the most powerful, others think it's the one with most potential. All these motors are reliable, it's a Honda. For the V8 beater, it depends on what car you have. If it's a 3g Accord, turbo the stock motor or swap in a VTEC B-series. Those are the easiest 2 routes. Any of the others require custom mounts, axles, shift linkages, are wiring. The ideal Honda or Acura to start with is a CRX. They weigh 1800 lb. fully loaded. With an LS/VTEC or B18C1, you'll be hanging right with V8's. They'll get a good run at least.
    No projects. Life consumes my time and money.

  14. #14
    SEi User ICEMAN707's Avatar
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    or you can do away with the old schoolness and go for the new '01-'04 civic si and take out the k20 and swap in the acura rsx's k24 engine in there. it's a direct swap and produces power in the mid 200hp range slightly modded with intake and exhaust and cooling....say 240hp on normal-aspirated engine. if you go for going turbo or supercharging on the k24, there's even bigger possibilities. although the k series engines are still new and quite costly, those with the means to get a k24 have a great swap in their hands. as for the rest of us, we have to wait maybe 10 yrs till these engines can be easily accessible financially.

    if you want straight out of the factory, the honda s2000 (240hp) is a good base to start with. slap in a turbo kit like the one from vortech or supercharger kit from comptech, and you'll be in the 350 hp range....double that power with some nitrous added.

  15. #15

    SteveDX89's Avatar
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    The RSX doesn't have a K24. It has a K20. The Accord has the K24. However, the same can be done as with an LS/VTEC. Take the K24 block for the torque and add the K20 head.
    No projects. Life consumes my time and money.

  16. #16
    SEi User ICEMAN707's Avatar
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    Talking

    hmm my bad. lol. i just saw an article with a civic si with a k24 swap. i thought it was a acura rsx type s engine. (see the article here:http://superstreetonline.com/project...2_skunk2civic/) hmm...so the accord's will fit into the civic as well? man that's nice. 2 direct swap engine possibilities for the civic si....what more can you ask for?...oh yeah, that's right, loads of $$$$$$$

    personally, for the 3gee if i had the cash, my motor choice would be a b18c1 stroker crate motor bored out to 2.1L from Recon Engines Inc. it's 275hp @ 7,900 rpm. 190lb ft torque @ 6100 rpm. normal-aspirated. use Placeracing b18 swap kit (axles, harness, mounts, etc.) and an air/fuel management system like maybe A'PEXi Power FC. there's more to it than that of course, but just to get an idea...plus add turbo?? No2??
    Last edited by ICEMAN707; 05-10-2004 at 09:19 AM.

  17. #17

    Project-LXi's Avatar
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    IMO b16 is a waste of money, let me break it down:
    Oldshcoolswap and WickedAccord have roughly equal work done to their swapped Accords, a b16, and a b18c1 (both engines remain naturally aspirated [no boost])

    Oldchool's b16 accord runs a 16.5 second qm
    Wicked's b18 runs a 13.5 qm

    you do the math

    ...

    b16 has less torque than your stock a20.
    It is easier to get more torque out of an a20 than a b16

    Oh, and Oldschool, your ride is sick so plz dont think Im puttin you down!!

    ...

    Bring on the flamage
    Last edited by Project-LXi; 05-17-2004 at 10:31 AM.
    - Matt

  18. #18

    Project-LXi's Avatar
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    Quote Originally Posted by SteveDX89
    Honda has many engines.
    The ideal Honda or Acura to start with is a CRX. They weigh 1800 lb. fully loaded. With an LS/VTEC or B18C1, you'll be hanging right with V8's. They'll get a good run at least.
    I have a 91 CRX Si, and I can honestly say I like my 4dr accord waaaaaaaay better!!!

    Have you seen the size of the engine bay??? in it lies the miniature D15B2!

    The b18c1 is big enough to fit in the Accord's engine bay, barely. Putting a b18c1 in a CRX would be like Ron Jeremy banging Mary Kate and Ashley.
    - Matt

  19. #19

    Project-LXi's Avatar
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    Quote Originally Posted by SEiCOOLGUY
    what exactly makes the B18C swap so expensive as compared a to a b16? how much money would i need to save?
    Well, a b16 ranges between $900 and $1600 USD
    a b18c1 ranges from $2500 to $4000 USD
    - Matt

  20. #20

    SteveDX89's Avatar
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    Quote Originally Posted by Project-LXi
    Oldchool's b16 accord runs a 16.5 second qm
    Must have been fucked up. Stock Si runs 15.84. LX-i sedan weighs in about 100 lbs. more. Should be good for 16 flat.
    No projects. Life consumes my time and money.

  21. #21

    Project-LXi's Avatar
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    Ok I was doing some searching to find exact qm times.

    WickedAccord: 13.969 @ 98.70

    have yet to find Oldschool's will look some more
    - Matt

  22. #22
    3Geez Veteran 88LXi68's Avatar
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    Quote Originally Posted by Project-LXi
    Ok I was doing some searching to find exact qm times.

    WickedAccord: 13.969 @ 98.70

    have yet to find Oldschool's will look some more
    Why are you even comparing these two engines when Wicked's was built. As far as I am concerned any B-series is an upgrade over the A.
    '88 LX-i Coupe --- LS/Vtec
    '08 Accord EX-L 6-6 --- Daily Duty

  23. #23

    Project-LXi's Avatar
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    Quote Originally Posted by 88LXi68
    Why are you even comparing these two engines when Wicked's was built. As far as I am concerned any B-series is an upgrade over the A.
    If I remember right OldSchool had a list of real mods too.
    - Matt

  24. #24
    3Geez Veteran 88LXi68's Avatar
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    Quote Originally Posted by Project-LXi
    If I remember right OldSchool had a list of real mods too.

    He did not have any internals or machine work done.
    '88 LX-i Coupe --- LS/Vtec
    '08 Accord EX-L 6-6 --- Daily Duty

  25. #25


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    Unfortunatly to gain some real HP you have to start building your internals so bolt on stuff seems to be more of a disappointment in my eyes unless you bump up the compression and start doing head work. Im not saying anything bad about Juans setup but your comparing a "built" motor with all the bolt ons to a "stock" motor with all the bolt ons.

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