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Thread: b16 intake manifold Next mod

  1. #1
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    b16 intake manifold Next mod

    I am wanting to do the b16 intake manifold for my next mod. I plan on using this manifold http://cgi.ebay.com/ebaymotors/ws/eB...971072539&rd=1 . I have searched and i have found some info. Now with the vacuum lines do i just use t's. What about the coolant lines. Next question. Now im not sure what its called but its under the intake manifold and it has like a 1" hose going to it. Does the b16 manifold have the hole in between the runners going to that. I know that i have to redrill the top holes. Does the intake manifold have the vacuum hookups for things like the brakes on the timing belt side of the motor. Next what about the egr. How am i going to get rid of that without throwing codes. Also what about the sensor that plugs into the intake manifold runner on the driver side of the car. The last thing that i can think of now is the the throttle cable. Can i use the one that i have now or do i have to get a b16 one. Sorry for all of the questions i just want to know everything before i get started.
    86 Accord LXI HB

    Pacesetter Header, Gutted Cat, Monza Exhaust 2.25", Bosch Plug Wires, Msd Blaster 2 Coil, NGK Plugs, Custom Cold Air, Centerforce Stage 1 Clutch, Fel Pro Head Gasket, Rebuilt Head, Integra Tranny Conversion, Delta 282 .430" Cam Grind



  2. #2
    SEi User cke's Avatar
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    From what I know and can answer:

    The coolant runs through the fast idle in the TB to the EACV. Since you're putting on a new IM, you're losing the EACV.

    I don't know about the 1" hose running underneath.

    It has vacuum hookups from what I can tell in the picture, I just don't know what you're going to need. Brake booster - yes. cruise control? Maybe. You're losing the secondaries, so no need for that vacuum line. Et cetera.

    The sensor on the driver's side is the intake air temperature sensor. If you look at the picture of the b16a manifold, that gets relocated to runner #2.

    As far as the throttle cable, that all depends on what kind of throttle body you get.

  3. #3
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    Cruise control will be going anyway so no big deal. So i will no longer have a eacv so will i just plug those coolant lines or what.
    86 Accord LXI HB

    Pacesetter Header, Gutted Cat, Monza Exhaust 2.25", Bosch Plug Wires, Msd Blaster 2 Coil, NGK Plugs, Custom Cold Air, Centerforce Stage 1 Clutch, Fel Pro Head Gasket, Rebuilt Head, Integra Tranny Conversion, Delta 282 .430" Cam Grind

  4. #4
    3Geez Veteran AccordEpicenter's Avatar
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    the AEBS intake manifold is better (and half the price) of that one
    429whp 362wtq A20 TURBO. A20T>*

  5. #5
    LX User 300700'88lx-i's Avatar
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    The EACV on b-series manifolds mounts on the rear, you should still run one. If you have trouble finding one for a b-series manifold, you could snag one off of like a 5th gen d-series Civic. You'll need to add a length of wire to the original pig-tail to make it work because of the new location. As far as coolant lines go, you'll need to lengthen some, and shorten others, it's not that big of a deal. I used T's to hook up all my vacuum lines, and everything works fine, even the cruise control. For the EGR, I plugged in the sensor and the vacuum line and left it in the engine bay, no codes. With a little bit of juggling of linkage parts, you can still use the original throttle cable. That big 1" hose that comes up through the bottom of the manifold is for the PCV. I rotated the hose to a spot where I could just plug the PCV valve into the hose and ran a length of hose up to the nub on the manifold. If it's not clear what I'm saying now, you'll see when you have everything apart.

    Good luck with it.
    Last edited by 300700'88lx-i; 05-02-2005 at 01:39 PM.

  6. #6
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    Thanks 300700'88lx-i. Would you happen to have any pictures.
    86 Accord LXI HB

    Pacesetter Header, Gutted Cat, Monza Exhaust 2.25", Bosch Plug Wires, Msd Blaster 2 Coil, NGK Plugs, Custom Cold Air, Centerforce Stage 1 Clutch, Fel Pro Head Gasket, Rebuilt Head, Integra Tranny Conversion, Delta 282 .430" Cam Grind

  7. #7

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    hey another southern oregon 3g. 300700'88lx-i pretty much nailed it and the AEBS mani is the best one for the money esp for our engine. We need to have the longer runers keep the low end power. The EVAC is a must and the only other way to get rid of the EGR completely is to swap to OBD-1 which is a pita. Stick with a stock B16 TB and fuel rail, you really don't need bigger with the mods you have.
    I'm your local R&D nut. Fabracting, welding, tuning and breaking my stuff so you don't have to.

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    SEi User cke's Avatar
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    Oh shit, I thought he meant on the BACK of the IM. *smacks head*

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    Thanks Justin. Hey i have some friends in grants pass we might have to meet sometime.
    86 Accord LXI HB

    Pacesetter Header, Gutted Cat, Monza Exhaust 2.25", Bosch Plug Wires, Msd Blaster 2 Coil, NGK Plugs, Custom Cold Air, Centerforce Stage 1 Clutch, Fel Pro Head Gasket, Rebuilt Head, Integra Tranny Conversion, Delta 282 .430" Cam Grind

  10. #10

    Justin86's Avatar
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    yea once my car is running, if it ever does..........
    I'm your local R&D nut. Fabracting, welding, tuning and breaking my stuff so you don't have to.

  11. #11
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    Yea i just blew the wheel bearings, axles, and tranny out of mine. I got pissed and my car was facing one direction and i was wanting to go the other direction so i revved till it tached and dumped it with the wheel turned all the way and she gave. So mine has been sitting for a while too.
    86 Accord LXI HB

    Pacesetter Header, Gutted Cat, Monza Exhaust 2.25", Bosch Plug Wires, Msd Blaster 2 Coil, NGK Plugs, Custom Cold Air, Centerforce Stage 1 Clutch, Fel Pro Head Gasket, Rebuilt Head, Integra Tranny Conversion, Delta 282 .430" Cam Grind

  12. #12
    LX User 300700'88lx-i's Avatar
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    I just noticed that you have an '86, that means that the idle air control valve (same thing as the EACV) is not located directly on the manifold, so scratch that part of what I said, you won't need to worry about getting one. I don't have any pictures of the manifold on my car, I put it on about a month ago, and my car's been at home in Redding while I'm at school in Davis so I haven't had a chance to take any.

    As a little side note, if you're having trouble finding a b16 fuel rail, any b-series fuel rail will work, I'm running a b18a fuel rail, and it seems to have worked out better because I was able to use the stock banjo fitting with a little bit of modification, I don't think you'll be able to do this with a b16 fuel rail. I'm pretty sure that a d-series fuel rail from a 5th or 6th gen Civic will work too, someone correct me if otherwise is known. A throttle body from these Civics will work too, it just isn't that big, they're usually the same bore as the '88-'89 Accord.

    Once again, good luck
    Last edited by 300700'88lx-i; 05-02-2005 at 11:21 PM.

  13. #13
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    OK, here's the thread I did awhile ago, hopefully the pics will help you out.... https://www.3geez.com/showthread.php?t=28412

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    Thanks a lot guys. I found the aebs manifold that you guys were talking about last night for like 130. That probly will be the one i go with. What kind of power gains did you notice. Thanks joker for the pics helped me out.
    86 Accord LXI HB

    Pacesetter Header, Gutted Cat, Monza Exhaust 2.25", Bosch Plug Wires, Msd Blaster 2 Coil, NGK Plugs, Custom Cold Air, Centerforce Stage 1 Clutch, Fel Pro Head Gasket, Rebuilt Head, Integra Tranny Conversion, Delta 282 .430" Cam Grind

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    Your power gains are basically going to come in the mid to top end side.... What I should have done was run the car with the stock cam and new mani., then compared it to my current setup of reground cam plus the new mani.... I can tell you this, it pulls very nicely through redline, especially the top end....

  16. #16
    SEi User cke's Avatar
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    Meh, I'm considering making my own after reading this

  17. #17
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    so its worth the time and effort to get it done.
    86 Accord LXI HB

    Pacesetter Header, Gutted Cat, Monza Exhaust 2.25", Bosch Plug Wires, Msd Blaster 2 Coil, NGK Plugs, Custom Cold Air, Centerforce Stage 1 Clutch, Fel Pro Head Gasket, Rebuilt Head, Integra Tranny Conversion, Delta 282 .430" Cam Grind

  18. #18
    SEi User cke's Avatar
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    Well, yes and no.

    If you have headers, I'm sure you'll notice a bit more there.
    If you have any extra grind cam to match with it, I'm sure you'll notice even more.

    I don't think that if you're going to run completely stock elsewhere you're going to notice much more of a gain. It'll be like running with your secondaries open all the time - you'll be able to rev higher faster, but your torque curve will compeltely change.

    Like when I ran open secondaries, I noticed that it started to "pull" at 4k. That means my torque curve until then sucked donkey. If I was in a higher gear, I couldn't accelerate and had to downshift to pick up my loss.

    aaaanyways. It's not going to be exactly like that with a new IM, period. It's a different volume. You'll notice a difference, but it might not be one you want.

    That's why I want to build my own IM. I'm going to calculate what I want instead of what the Honda engineers or some aftermarket company wants.

  19. #19
    LX User Civvy's Avatar
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    I wonder if the b18 would be better for low-end?

  20. #20
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    Yeah, that's true if you have some mods to go along with it.... Like my engine is totally rebuilt from top to bottom plus MSD ignition, adjustable timing gear, headers with full out exhaust, P&P head, FPR, reground cam and the block was overbored so you can see once I added the mani. it was all that much better..... And to compensate for gaining more top end, I advanced the timing a little....

  21. #21
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    Well once i get this done hopefully toward the middle end of this month, a cam will be next.
    86 Accord LXI HB

    Pacesetter Header, Gutted Cat, Monza Exhaust 2.25", Bosch Plug Wires, Msd Blaster 2 Coil, NGK Plugs, Custom Cold Air, Centerforce Stage 1 Clutch, Fel Pro Head Gasket, Rebuilt Head, Integra Tranny Conversion, Delta 282 .430" Cam Grind

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