Who makes the tightest 4" radius??
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Joined: Oct 2002
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From: not their, or here
Who makes the tightest 4" radius??
as the topic says, my inlet for my turbo is real close to the drivers side "frame rail" and i need to get some type of filter onthere? i was thinking of making something out of a 4" tube but maybe you guys have other ideas?? thanks also my turbo has a 4" inlet
Joined: Dec 2001
Posts: 288
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From: OH, USA
The tightest possible...
...will be "doughnuts". Just get a doughnut and chop it to the size/angle you need and viola. They are not cheap, but that's due to the expensive equipment required to make them.
Here's a pic...
And link:
http://www.roadraceengineering...s.htm
- Slater
Here's a pic...
And link:
http://www.roadraceengineering...s.htm
- Slater
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Joined: Oct 2002
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From: Secret Tweaker Pad
Re: The tightest possible... (Slater)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Slater »</TD></TR><TR><TD CLASS="quote">...will be "doughnuts". Just get a doughnut and chop it to the size/angle you need and viola. They are not cheap, but that's due to the expensive equipment required to make them.
Here's a pic...
And link:
http://www.roadraceengineering...s.htm
- Slater</TD></TR></TABLE>
Those are nice..........Id hate to get hit with one though
Here's a pic...
And link:
http://www.roadraceengineering...s.htm
- Slater</TD></TR></TABLE>
Those are nice..........Id hate to get hit with one though
Joined: Dec 2001
Posts: 288
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From: OH, USA
Re: The tightest possible... (Bailhatch)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Bailhatch »</TD></TR><TR><TD CLASS="quote">the Dnuts only go up to 3". For some reason they look really sexy to me...... 
</TD></TR></TABLE>
You can get them larger - maybe not from RRE but they do make them.
Also, for 4"+ bends, try a good diesel truck shop. They should have tight radius bends and possibly even doughnuts. I'm sure you can find a 90 degree elbow that will be tight enough if you cut down one or both of the legs to fit your tight spot...
- Slater
</TD></TR></TABLE>You can get them larger - maybe not from RRE but they do make them.
Also, for 4"+ bends, try a good diesel truck shop. They should have tight radius bends and possibly even doughnuts. I'm sure you can find a 90 degree elbow that will be tight enough if you cut down one or both of the legs to fit your tight spot...
- Slater
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Joined: Dec 2001
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From: OH, USA
Re: The tightest possible... (Muckman)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Muckman »</TD></TR><TR><TD CLASS="quote">wow thats amazing! how the hell is that made? I dont even see any seems or welds in the metal.</TD></TR></TABLE>
Look real close in the center of the doughnut hole - they are seam welded like exhaust piping.
I would love to see how they are made though - very cool.
- Slater
Look real close in the center of the doughnut hole - they are seam welded like exhaust piping.
I would love to see how they are made though - very cool.
- Slater
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Joined: Oct 2001
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From: Memphis, Tennessee, USA
Re: The tightest possible... (Slater)
They're welded on the outside, and there is actually an open seam on the inside.
Take a flat circle of metal, and put it on a press with a half donut mold. Press. Repeat. Weld the outside of those two pieces together. Tah-dah. Donut.
The 3" I used for my downpipe was amazing. At $55 it damn better be!
Take a flat circle of metal, and put it on a press with a half donut mold. Press. Repeat. Weld the outside of those two pieces together. Tah-dah. Donut.
The 3" I used for my downpipe was amazing. At $55 it damn better be!
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