D16y8 manifold on a D17a2 - Honda Civic Forum



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Old 10-17-2004   #1
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Arrow D16y8 manifold on a D17a2

Yesterday my friends and I finished my car (Thanks to Brad and Morgan of Domestic Violence motorsports) To start, we got rid of the D17 manifold and put on a Honed port matched d16y8 manifold/TB, with a return fuel line, new fuel rail, adjustable fuel pressure regulator, fuel pressure gauge, Accel 255 fuel pump, and RC 550cc peak and hold injectors, injector resistor box. This was not an easy bolt on, Morgan had to make a remote idle air control valve/sensor, and brad needed to do a lot of new wiring. The new manifold pulls a lot harder in the higher RPM range (like 4000-7000) then the d17. Due to its shorter runners. Brad and Morgan say now we know what to do they would be willing to sell some on special request.
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Last edited by caorndorff; 10-18-2004 at 01:46 AM.
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Old 10-17-2004   #2
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Hey!!

That looks great!!!
Now... are those people planning to make a new intake manifold for the D17 similar to the D16's EX manifold??

I believe they are planning to make a whole kit right?? (fuel rail, wires, sensors, return line, manifold, etc)?

I would be interested. I hate D17's Intake Manifold, 6th gen EX manifold is really great!
Please let us know!
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Old 10-17-2004   #3
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Yeah they want to make a whole kit. We used my car as the test car.
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Old 10-17-2004   #4
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nice work
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Old 10-17-2004   #5
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Damn, that would be great!!
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Old 10-17-2004   #6
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Your running 550cc injectors damnnnnnnnnnnnn.
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Old 10-18-2004   #7
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Wow, that is tight. You must be running alot of boost to use 550cc injectors and a return fuel line.
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Old 10-18-2004   #8
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Wow that's nice, but sounds like alot of work.
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Old 10-18-2004   #9
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Every one watch the video.
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Old 10-18-2004   #10
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nice
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Old 10-18-2004   #11
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looks good,any idea on the price of the kit?
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Old 10-18-2004   #12
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yeah that looks really good
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Old 10-18-2004   #13
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How is the heat soak on that manifold? Thats the only down side i really see to this set up
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Old 10-18-2004   #14
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would any d16 intake manifold work? why not get an upgraded manifold? such as the venom?
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Old 10-18-2004   #15
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that is nice!
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Old 10-18-2004   #16
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The d16y8 manifold stays fairly cold, I drove it around on a 65-degree day for an hour the y8 manifold wasn’t hot at all. Also people often believe that the d17 manifold is lighter. The d17 is 13.2 Lbs (with TB, Fuel rail, injectors) the y8 is only 11.7Lbs (with TB, fuel rail, and injectors)
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Old 10-18-2004   #17
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big props to making it fit

now, you should put a d16 SKUNK2 intake manifold on. that would be BITCHIN!

you can find a lot of ported skunk2 mani's on honda-tech ...

n/a project hehehe
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Old 10-18-2004   #18
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looks hot. keep us posted on the progress of the kit and price!
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Old 10-18-2004   #19
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sign me up i want one!
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Old 10-18-2004   #20
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very nice man... howz the difference.. get dynoed with the new mani... i want to see some numbers
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Old 10-18-2004   #21
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**** - how much modification was required to the intake manifold flange?! wow....
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Old 10-18-2004   #22
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yesss, i love N/A mods.
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Old 10-18-2004   #23
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Not much modification needed. This was more of a turbo mod because i really needed the return line and the big injectors. But i could see N/A people getting some gains from this.

Last edited by caorndorff; 10-18-2004 at 08:35 PM.
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Old 10-18-2004   #24
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Quote:
Originally Posted by caorndorff
Not much modification needed. This was more of a turbo mod because i really needed the return line and the big injectors. But i could see N/A people getting some gains from this.
Cool - there has been a lot of talk that things wouldn't fit because of different bolt patterns, etc. If its virtually a direct bolt up, man there may be a lot of folks making some real power now.....wow! Would love to see more pictures or info!
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Old 10-18-2004   #25
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Well some of the modification is tricky. We had to make a remote idle air sensor because the D16Y8 and the D17 have different setups; also there was a good deal of change to the wiring. The map sensor had some stuff done to it also. Click on "see my ride" to see a video of when we first tested it.
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Old 10-18-2004   #26
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Quote:
Originally Posted by caorndorff
Well some of the modification is tricky. We had to make a remote idle air sensor because the D16Y8 and the D17 have different setups; also there was a good deal of change to the wiring. The map sensor had some stuff done to it also. Click on "see my ride" to see a video of when we first tested it.

I'll check it out - as far as the skunk2 or edlebrock manifold fitting - I don't think it will, only due to space limitations. here is a side by side of each:

http://www.tiora.net/~civicryda2k/in...nk2vsjg_01.jpg

It appears that the skunk2 and edlebrock are longer due to their runners. It also seems that the stock D16 manifold just barely fits!! Wow....
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Old 10-18-2004   #27
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Here are some more Photos of the Y8 Manifold. The last one is of Brad's 93 Civic hatchback (he just did 687WHP two weeks ago, he also runs a 10.2 at altitude)

Last edited by caorndorff; 10-18-2004 at 09:47 PM.
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Old 10-18-2004   #28
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Quote:
Originally Posted by opto_isolator
I'll check it out - as far as the skunk2 or edlebrock manifold fitting - I don't think it will, only due to space limitations. here is a side by side of each:

http://www.tiora.net/~civicryda2k/in...nk2vsjg_01.jpg

It appears that the skunk2 and edlebrock are longer due to their runners. It also seems that the stock D16 manifold just barely fits!! Wow....
Yeah its a tight fit, but it works.
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Old 10-18-2004   #29
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damn, it would be sweet to get the skunk2 in there. but maybe soon companies will start making real intake manifolds for the D17 now
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Old 10-19-2004   #30
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I just have to give this a bump, and say again it looks great.
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