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K23a1 Build

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Old 06-12-2014, 11:03 PM   #1
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K23a1 Build

I will be posting parts and install as they come, I'm still waiting on stuff from Honda and Acura dealerships to arrive.
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Old 06-12-2014, 11:08 PM   #2
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ARP head studs
Crower stage 2 turbo cams
Crower steel retainers
Crower keepers
Hondata flash pro
Golden eagle intake manifold gasket
NGK iridium spark plugs
Custom tube to re-route blow-off-valve recirculation tubing
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Old 06-12-2014, 11:09 PM   #3
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Deatschwerks dw200 fuel pump
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Old 06-12-2014, 11:10 PM   #4
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Deatschwerks 800cc injectors
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Old 06-12-2014, 11:15 PM   #5
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Rywire plug n play injector wires. These are call-in order only (RDX-to-Deatschwerks)
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Old 06-12-2014, 11:28 PM   #6
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OEM Honda RBC intake manifold (PRL Motorsport's port matched manifold to throttle body 70mm)
OEM Acura ZDX 70mm throttle body (bolts right up to RDX throttle body connector)
PRL throttle body 70mm adapter
I had to cut the water neck off myself, wasn't to hard though

Last edited by KenB350z; 06-12-2014 at 11:31 PM.
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Old 06-13-2014, 09:33 AM   #7
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TSX timing chain tensioner
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Old 06-13-2014, 09:35 AM   #8
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3" Tubing for RBC intake manifold-to-intercooler
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Old 06-13-2014, 09:37 AM   #9
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K-Tuned radiator hose (more room for custom intercooler piping)
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Old 06-13-2014, 09:39 AM   #10
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Hondata 4bar map sensor (stock will not get me the hp numbers i'm looking for)
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Old 06-13-2014, 09:48 AM   #11
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whats the advantages of a 4bar map sensor? and where can i get a re-route tube for my BOV?
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Old 06-13-2014, 02:16 PM   #12
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Hondata 4bar map sensor (stock will not get me the hp numbers i'm looking for)


Doesn't the stock map sensor read up to 26psi?
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Old 06-13-2014, 02:57 PM   #13
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^ yes it does, per hondata


im still curious on what the advantage of a RBC intake is over ours.. i think the runners are close to the same length.. and i dont think the inside diameter of the tubes are that much bigger.. i would like to know more specifics about the 2 i may just op for a zdx throttle body and call it good myself
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Old 06-13-2014, 04:00 PM   #14
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Haha, well the runners are much wider and the plenum is like night and day difference. Combined with a 70mm bore will be killer with force induction. Trust me, it is a better flowing manifold.
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Old 06-13-2014, 04:09 PM   #15
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Doesn't the stock map sensor read up to 26psi?
This will be a trail and error mod. Not sure if the Auto tranny excludes the RDX Sport shift mode.
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Old 06-13-2014, 04:15 PM   #16
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This whole set up should make some killer top end power..U sure you don't have a bigger turbo on the way that's why you have a hondata 4bar? I cant see the stock turbo going past 18-20psi
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Old 06-13-2014, 04:21 PM   #17
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Haha, well the runners are much wider and the plenum is like night and day difference. Combined with a 70mm bore will be killer with force induction. Trust me, it is a better flowing manifold.
will there be pics for comparison?

also you didnt answer my other question.. where you find the piping for the re route for the BOV?

Last edited by bluecarbonfiber; 06-13-2014 at 04:23 PM.
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Old 06-13-2014, 06:02 PM   #18
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will there be pics for comparison?

also you didnt answer my other question.. where you find the piping for the re route for the BOV?
I'm not sure I will have any comparison's with the two manifold, I should have put it on the dyno before all this. It's just a 1.75" S pipe from ebay with coupler to connect each end.

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Old 06-13-2014, 06:15 PM   #19
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Quote:
Originally Posted by RZANYS2K View Post
This whole set up should make some killer top end power..U sure you don't have a bigger turbo on the way that's why you have a hondata 4bar? I cant see the stock turbo going past 18-20psi
I'm still looking for a company that will upgrade my stock turbo, but haven't found any yet. Anybody know of companies that repair and upgrade stock turbos?
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Old 06-14-2014, 05:18 PM   #20
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Intake manifold and throttle body comparison:
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Old 06-14-2014, 09:43 PM   #21
not an SUV ...a Big Hatch
 
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you'll have to detail and list/link all this!!
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Old 06-14-2014, 10:32 PM   #22
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I'm still looking for a company that will upgrade my stock turbo, but haven't found any yet. Anybody know of companies that repair and upgrade stock turbos?
Yup. Evergreen Turbo out in Naples, Florida. Charlie rebuilt, upgraded to an 18T, balanced, and clipped the turbine side. He cleaned up real good and coated the CHRA. 352-497-3469

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Here's a size comparison the 18T is slightly bigger.
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And.. The clipped wheel.
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Old 06-14-2014, 10:34 PM   #23
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Thanks!
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Old 06-14-2014, 10:37 PM   #24
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Yw.
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Old 06-14-2014, 10:44 PM   #25
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Ocala, FL not Naples sorry. Can't find the edit button...
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Old 06-14-2014, 11:23 PM   #26
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Nice build. Sell me your stock rdx injectors
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Old 06-15-2014, 01:26 AM   #27
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Intake manifold and throttle body comparison:
so the rdx intake manifold does look a smidge shorter.. where you able to check the runners inside diameter for comparison? that zdx throttle is a huge different cant wait to see if it is worth it
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Old 06-15-2014, 01:27 AM   #28
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Quote:
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Yup. Evergreen Turbo out in Naples, Florida. Charlie rebuilt, upgraded to an 18T, balanced, and clipped the turbine side. He cleaned up real good and coated the CHRA. 352-497-3469



Here's a size comparison the 18T is slightly bigger.


And.. The clipped wheel.
how much was it to do this? and how much more hp can the 18t put out?
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Old 06-15-2014, 04:19 AM   #29
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so the rdx intake manifold does look a smidge shorter.. where you able to check the runners inside diameter for comparison? that zdx throttle is a huge different cant wait to see if it is worth it
I will try and take some pictures of the runners later today.
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Old 06-15-2014, 12:18 PM   #30
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Everything about the K23a1 is small, but the displacement.
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Old 06-15-2014, 05:41 PM   #31
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wow...here comes power.

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Old 06-16-2014, 03:22 AM   #32
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Test fitting with old 3inch pipe around the garage. It's coming along!



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Old 06-16-2014, 10:55 AM   #33
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be nice to have that manifold extrude honed before its set in... lol
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Old 06-16-2014, 09:04 PM   #34
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Disconnected the battery for about an hour for the throttle body relearn procedure, now time for a test drive!
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Old 06-16-2014, 10:34 PM   #35
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looks good... whats the end result? i am sure tuning is going to be the best answer.. any rattle sound from the intake tubing hitting the hood?
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Old 06-17-2014, 12:51 AM   #36
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I couldn't really get on it, I have to burp my cooling system tomorrow. You will have to modify the duct for the intercooler to prevent tube from rubbing it, quick shave and it is good.
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Old 06-17-2014, 01:35 AM   #37
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Trim air duct

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looks good... whats the end result? i am sure tuning is going to be the best answer.. any rattle sound from the intake tubing hitting the hood?
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Old 06-17-2014, 07:32 AM   #38
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Holy [email protected]#! Ok, after I got the ecu back from Honata the reflash was good, but it would only pull for the first 4k rpm then tapper off the boost.... Oh, not now these thing pulls hard as F$%#!! I took it out this morning, and had to let off because I was going way to fast!! Can't wait to put the cams in, get tuned and take it to the track. I'm sure the "World Record white RDX" on YouTube will be crushed! Stay tuned.
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Old 06-17-2014, 08:19 AM   #39
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I would keep the engine cover on
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Old 06-17-2014, 08:20 AM   #40
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But I like the look of snakes under the hood!
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