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Rear Diffuser.

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Old Aug 9, 2007 | 11:29 AM
  #1  
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Default Rear Diffuser.

So I was wondering?

has anybody removed the spare tire well and made a functional rear diffuser? Along with some smooth underbody panels?

The exhaust would have to route out the side I would imagine to make the lowest pressure possible.
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Old Aug 9, 2007 | 12:35 PM
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Default Re: Rear Diffuser. (citrus3000psi)

Have never seen anything, but has been crossing my mind lately...
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Old Aug 9, 2007 | 12:45 PM
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Default Re: Rear Diffuser. (citrus3000psi)

http://www.team-integra.net/fo...earch

https://honda-tech.com/zero...76006
https://honda-tech.com/zero...33852
https://honda-tech.com/zero...34794

https://honda-tech.com/zerothread?id=1788758

Ali
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Old Aug 9, 2007 | 12:47 PM
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Default Re: Rear Diffuser. (JjuuN R)

I know. I've been thinking about as well. Would be a nice project to start.

Carbon fiber is the problem. Too expensive. But I've found another material which I picked up 5 yards @ 60"s wide. Its fiberglass but one side is alluminized. So its heat resistant up to 300F and wont burn.

This would be the top layer of the fiberglass mold. Clear epoxy would be used so there wouldn't be much prep on the surface side. And people say this stuff looks like silver carbon fiber.

So the issue is you can't make flat panels with Fiberglass, well you can but there not very strong. So you need to make ridges on the backside to help with flexing.

With the tire well gone and exhast gone it would be easy to design the diffuser. Making the underbody smooth is the hard challange.
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Old Aug 9, 2007 | 12:49 PM
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Default Re: Rear Diffuser. (PrinceAli132)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by PrinceAli132 &raquo;</TD></TR><TR><TD CLASS="quote">http://www.team-integra.net/fo...earch

https://honda-tech.com/zero...76006
https://honda-tech.com/zero...33852
https://honda-tech.com/zero...34794

https://honda-tech.com/zerothread?id=1788758

Ali</TD></TR></TABLE>

All of these links still retain the factory tire well. A much greater/noticable downforce could be created if you remove the well. and part of the bottom of the bumper.
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Old Aug 9, 2007 | 01:07 PM
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Default

How are you going to test this? Do you have an access to a wind tunnel and test equipment?
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Old Aug 9, 2007 | 01:11 PM
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Default Re: (p nut)

What's wrong with the butt tunnel?
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Old Aug 9, 2007 | 01:13 PM
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Default Re: (JjuuN R)

Not exactly what you thinking but its an option.

http://www.specialprojectsms.c...ID=30
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Old Aug 9, 2007 | 01:30 PM
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Default Re: Rear Diffuser. (PrinceAli132)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by PrinceAli132 &raquo;</TD></TR><TR><TD CLASS="quote">http://www.team-integra.net/fo...earch

https://honda-tech.com/zero...76006
https://honda-tech.com/zero...33852
https://honda-tech.com/zero...34794

https://honda-tech.com/zerothread?id=1788758

Ali</TD></TR></TABLE>

That's absolutely awesome.
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Old Aug 9, 2007 | 01:33 PM
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Default

I'm liking what Shawn posted. But I'd have NO idea on where to start on something like that.
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Old Aug 9, 2007 | 01:47 PM
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Default Re: (p nut)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by p nut &raquo;</TD></TR><TR><TD CLASS="quote">How are you going to test this? Do you have an access to a wind tunnel and test equipment?</TD></TR></TABLE>


I've done some testing using tecplot. I made a basic intergra model in autocad.
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Old Aug 9, 2007 | 02:32 PM
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<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by JjuuN R &raquo;</TD></TR><TR><TD CLASS="quote">What's wrong with the butt tunnel? </TD></TR></TABLE>

That might hurt a bit . Haha, butt tunnel. That just sounds funny.
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Old Aug 9, 2007 | 09:43 PM
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yeah
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Old Aug 9, 2007 | 09:57 PM
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Default Re: (bluesystem)

You know... butt dyno, butt tunnel, ftl...
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Old Aug 10, 2007 | 07:41 AM
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Default Re: (JjuuN R)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by JjuuN R &raquo;</TD></TR><TR><TD CLASS="quote">What's wrong with the butt tunnel? </TD></TR></TABLE>

I had to check and see if Jon and Dave were anywhere around
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Old Aug 10, 2007 | 08:52 AM
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Default Re: Rear Diffuser. (citrus3000psi)

seen this?

http://www.crowhouse.net/parts_eng.html
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Old Aug 10, 2007 | 08:56 AM
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Default Re: Rear Diffuser. (Madspeed)

That's cool.
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Old Aug 10, 2007 | 09:31 AM
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Is this a street car? I would think it would get damaged if so.
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Old Aug 10, 2007 | 11:06 AM
  #19  
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Default Re: (Dave_B)

yeah thought about modding a AP spoon one...
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Old Aug 10, 2007 | 11:17 AM
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Default Re: (Mr.OB*GYN_Rhett)

crowhouse rear is pretty nice...but its like 850 bucks
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Old Aug 10, 2007 | 12:37 PM
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Default Re: (get RIGHT)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by get RIGHT &raquo;</TD></TR><TR><TD CLASS="quote">Not exactly what you thinking but its an option.

http://www.specialprojectsms.c...ID=30</TD></TR></TABLE>

Great link

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Casey &raquo;</TD></TR><TR><TD CLASS="quote">crowhouse rear is pretty nice...but its like 850 bucks</TD></TR></TABLE>

They go for 500 I believe. I came pretty close to getting one for my old car.
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Old Aug 10, 2007 | 07:49 PM
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Default Re: (jeremy.)

yeah i found this one on memoryfab.com

its made by crowhouse..
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Old Aug 10, 2007 | 07:54 PM
  #23  
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Default Re: (tanabedc2)

thats for the front bumper i believe. the crowhouse rear piece is pretty simply but i like it
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Old Aug 10, 2007 | 10:42 PM
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Default Re: (Casey)

The real question is who is selling what and can it be run cost effectively on a track&gt; i like the low buck Special projects one.
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