RBC on k24a - K20A.org .:. The K Series Source . Honda / Acura K20a k24a Engine Forum
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Old 09-07-2019, 06:19 PM   #1
bladey
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Default RBC on k24a

Hello from New Zealand,. I have a k24a3 I believe from a jdm accord euro. I purchased an RBC intake manifold to fit to the engine and I've noticed the cylinder head and the factory RBB intake manifold have an extra port next to number 4 cylinder.

See attached photos. Can I just blank this off or how do I go about installing this manifold
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File Type: jpg IMG_20190908_135811_1567909166150.jpg (446.4 KB, 16 views)
File Type: jpg IMG_20190908_135832_1567909178664.jpg (1.08 MB, 17 views)
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Old 09-08-2019, 02:21 PM   #2
Sugz
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You can use something like this or other products on market

http://k-tuned.3dcartstores.com/K24-...ter_p_480.html

FYI stock rbc manifold has that coolant port
If yours doesn't have it, quite likely that it has previously been modified to fit k20 head.
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Old 09-09-2019, 03:05 AM   #3
bladey
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Default Re: RBC on k24a

I can see that this is a water line ( which my rbc which is unmodified has ) but what is this one? another water line?
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Old 09-09-2019, 08:15 AM   #4
AngryScotsman
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Default Re: RBC on k24a

Quote:
Originally Posted by bladey View Post
i can see that this is a water line ( which my rbc which is unmodified has ) but what is this one? Another water line?
iirc, egr.
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Old 09-09-2019, 07:18 PM   #5
Argonfree2
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Default Re: RBC on k24a

Chiming in. On the intake port' s outer edge, if there are sharp edges left from milling take a round file and remove them gently. I have a K20Z1 PRB head that had terrible edges...again terrible. I was surprised.
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Old 09-11-2019, 07:02 PM   #6
bladey
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Quote:
Originally Posted by AngryScotsman View Post

iirc, egr.
Okay, is there anyway to block it or will I have to cut the RBC and run one of.those coolant adaptors
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Old 09-12-2019, 12:33 AM   #7
[LUC1D]
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Where does that port lead? You may be lucky enough just to block it off with some sealer and the manifold?? 🏾
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