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B18C5 Long Runner Intake Manifold??

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Old Nov 25, 2007 | 09:00 AM
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Default B18C5 Long Runner Intake Manifold??

So i was wondering if it would be possible to put/fabricate a Long Runner intake manifold on a Type R and make some good low end power. Since as we all know a long runner intake manifold is meant for torque. Just wondering if this would hold true for the Type R? Or if it would be benefical.
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Old Nov 25, 2007 | 01:12 PM
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Default Re: B18C5 Long Runner Intake Manifold?? (BIG T)

Your two best options would be the Skunk pro manifold or the Edelbrock Performer X manifold. Longest runners available to fit the space available and have proven to make power/good torque (performer X especially).
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Old Nov 25, 2007 | 01:32 PM
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Default Re: B18C5 Long Runner Intake Manifold?? (00Red_SiR)

it possible to fabricate something that would go over top of the valve cover like VW VR6's. I would that be at all good or not
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Old Nov 25, 2007 | 02:25 PM
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Default Re: B18C5 Long Runner Intake Manifold?? (BIG T)

I highly doubt you'd have the hood clearance needed to do it unless you fabricated a new hood with a big hump in the middle like you see on domestic drag cars. Anything's possible I guess but the key is not to look at increasing power in just one place. Trying to fab up a new IM that would make more torque would waste more of your time, money and resources than it would to do something like increase the stroke of the motor you're building and gain more torque that way.
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Old Nov 25, 2007 | 02:48 PM
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Default Re: B18C5 Long Runner Intake Manifold?? (BIG T)

While it is possible to build anything. I don't see how this would benefit this motor. If you want low end power, why buy a honda? This motor was designed to produce high power at high rpms. What you want to do is counter to that notion.
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Old Nov 25, 2007 | 03:30 PM
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Default Re: B18C5 Long Runner Intake Manifold?? (mar778c)

no i was assuming that you could get the best of both world's
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Old Nov 25, 2007 | 03:41 PM
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Default Re: B18C5 Long Runner Intake Manifold?? (BIG T)

How can you make that assumption unless you have a variable intake tract like the GSR manifold?
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Old Nov 25, 2007 | 03:54 PM
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Default Re: B18C5 Long Runner Intake Manifold?? (BIG T)

because generally speaking lomg runner gives you torque and high rpm vtec give you hp
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Old Nov 25, 2007 | 05:35 PM
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Default Re: B18C5 Long Runner Intake Manifold?? (BIG T)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by BIG T &raquo;</TD></TR><TR><TD CLASS="quote">because generally speaking lomg runner gives you torque and high rpm vtec give you hp</TD></TR></TABLE>

You will severly limit hp in vtec with usually long runners. See the intake mainfold test.
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