Euro R manifold VS ITR manifold ( RBC vs PRC ) - Page 3 - K20A.org .:. The K Series Source . Honda / Acura K20a k24a Engine Forum
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Old 03-09-2005, 10:53 AM   #41
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Old 03-10-2005, 06:55 PM   #42
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Default Re: Euro R manifold VS ITR manifold ( RBC vs PRC )

Looks like we got some friendly faces from clubrsx
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Old 03-10-2005, 07:00 PM   #43
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Looks like we got some friendly faces from clubrsx
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Old 03-10-2005, 07:01 PM   #44
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Default Re: Euro R manifold VS ITR manifold ( RBC vs PRC )

thread got more interesting since i last checked it out.
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Old 03-10-2005, 08:02 PM   #45
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Default Re: Euro R manifold VS ITR manifold ( RBC vs PRC )

Quote:
Originally Posted by Dean NZ
Toda Pwr - don't suppose you could measure the manifold from the flange face to the outer most section of the plenum in a horizontal plain ?
And maybe a depth downwards from the centre of one of the flange bolt holes ?
Want to see if this will fit in my car ?
What car? Here is the manifold inside my dc5 engine bay(check out the k2s!)

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Old 03-12-2005, 02:16 AM   #46
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Default Re: Euro R manifold VS ITR manifold ( RBC vs PRC )

Toda Pwr can you provide a measuremt of the manifold from the flange face to the outer most section of the plenum casing in a horizontal plain ?
And maybe a depth downwards from the centre of one of the upper flange bolt holes ?
Want to see if this will fit in my car ? Lotus Elise ???????

PLEASE !

Cheers Dean
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Old 03-12-2005, 05:38 PM   #47
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Default Re: Euro R manifold VS ITR manifold ( RBC vs PRC )

so will this euro r manifold fir the k20a2 in the type s

and is it better then the ITR IM when it comes to running the ITR cams and ITR reflash
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Old 03-12-2005, 07:47 PM   #48
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Default Re: Euro R manifold VS ITR manifold ( RBC vs PRC )

Before you all jump and buy RBC manifolds - I've done before and after dynos with the PRC vs RBC manifold on 3 different engines, and the gains from the RBC over the PRC are marginal. One engine was better on the PRC manifold, one was almost the same, and one engine made a more after peak power (the power did not fall away quite a quickly). We're talking -2 to +5 hp from the manifold. The RBC has the same length and size runners and the same plenum volume, the runners are just a little straighter than the PRC.
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Old 03-12-2005, 09:52 PM   #49
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Default Re: Euro R manifold VS ITR manifold ( RBC vs PRC )

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Originally Posted by Rubber Chicken
Before you all jump and buy RBC manifolds - I've done before and after dynos with the PRC vs RBC manifold on 3 different engines, and the gains from the RBC over the PRC are marginal. One engine was better on the PRC manifold, one was almost the same, and one engine made a more after peak power (the power did not fall away quite a quickly). We're talking -2 to +5 hp from the manifold. The RBC has the same length and size runners and the same plenum volume, the runners are just a little straighter than the PRC.
Derek,

just so i know, and others, did the peak torque numbers change there location in the power band at all?
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Old 03-13-2005, 06:01 AM   #50
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Default Re: Euro R manifold VS ITR manifold ( RBC vs PRC )

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Originally Posted by SpeedWerx.net
did the peak torque numbers change there location in the power band at all?
Peak torque rpm was a little lower with the RBC, but it was not a huge difference. The main gains were in the 6500 - 7500 rpm range, and after peak power. I'll see if I can dig out an old dyno.
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Old 03-13-2005, 06:04 AM   #51
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Default Re: Euro R manifold VS ITR manifold ( RBC vs PRC )

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Originally Posted by Rubber Chicken
Peak torque rpm was a little lower with the RBC, but it was not a huge difference. The main gains were in the 6500 - 7500 rpm range, and after peak power. I'll see if I can dig out an old dyno.
Great, thanks for helpin out.
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Old 03-13-2005, 08:04 AM   #52
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Default Re: Euro R manifold VS ITR manifold ( RBC vs PRC )

so i guess ill aks again can i assume this will fit on the type s motor
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Old 03-13-2005, 08:08 AM   #53
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Default Re: Euro R manifold VS ITR manifold ( RBC vs PRC )

this manifold is good for boost applications though.I read somewhere it made a 17whp diffrence than the prc correct me if i am wrong
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Old 03-13-2005, 08:09 AM   #54
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Default Re: Euro R manifold VS ITR manifold ( RBC vs PRC )

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Originally Posted by typesfanatik
so i guess ill aks again can i assume this will fit on the type s motor
yes it fits on a type S motor in an RSX. some modification is needed to the manifold.
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Old 03-13-2005, 08:10 AM   #55
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Default Re: Euro R manifold VS ITR manifold ( RBC vs PRC )

Speed wrex , are you stocking these yet?
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Old 03-13-2005, 08:12 AM   #56
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Default Re: Euro R manifold VS ITR manifold ( RBC vs PRC )

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Speed wrex , are you stocking these yet?
ive had alot of lookers, no buyers. im not stocking them til i have someone committed. special order only. 2 week wait.
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Old 03-13-2005, 08:19 AM   #57
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Default Re: Euro R manifold VS ITR manifold ( RBC vs PRC )

I PMed you and I have money
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Old 03-13-2005, 09:46 AM   #58
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Default Re: Euro R manifold VS ITR manifold ( RBC vs PRC )

Here's a dyno graph from a stock K20A engine. Yellow is the RBC, purple is the PRC. The gain between 6000 and 7000 rpm from the RBC is typical. You can't quite see the difference on the top as the PRC was not revved as high, but the RBC tends to hold peak power longer.
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Old 03-13-2005, 12:11 PM   #59
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Default Re: Euro R manifold VS ITR manifold ( RBC vs PRC )

Thanks for the graph. I think this manifold will compliment my IPS K2s quite well.
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Old 03-13-2005, 12:28 PM   #60
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Default Re: Euro R manifold VS ITR manifold ( RBC vs PRC )

Quote:
Originally Posted by SpeedWerx.net
yes it fits on a type S motor in an RSX. some modification is needed to the manifold.

what modification is needed??

is it a DIY job or need to be machined in a shop

oh and what is he cost of this manifold
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