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Corvair Intake

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paulrod36(at)msn.com
Guest

Posted: Wed Mar 11, 2009 3:09 pm Post subject: Corvair Intake

<?xml:namespace prefix="v" /><?xml:namespace prefix="o" /><![endif]--> Homebuilers are nothing if not ingenious and adaptable, so I bring this to  youse.  I need an idea.........I'm having a tough time trying to bend some  1-1/8 aluminum tubing to make the intakes on the Corvair heads.  So far,  I've fabricated the flanges, but bending the tubing into tight 90 degree curves  has me stuck. My local muffler shops have tried, but without the exact size  blocks, they can't get the bends right without crushing the bend somewhere. I've  looked for conduit benders, but none are the right size.  As a fallback  I've thought about using a wall pipe from Ace Hardware's plumbing department,  (pretty chrome) but it's thin wall brass, and likely to crack from the  vibration. Any ideas?  How'd everybody else do it?

  

 Thanks,

 Paul Rodriguez

   [quote][b]

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paulrod36(at)msn.com
Guest

Posted: Wed Mar 11, 2009 3:10 pm Post subject: Corvair Intake

<?xml:namespace prefix="v" /><?xml:namespace prefix="o" /><![endif]--> Homebuilers are nothing if not ingenious and adaptable, so I bring this to  youse.  I need an idea.........I'm having a tough time trying to bend some  1-1/8 aluminum tubing to make the intakes on the Corvair heads.  So far,  I've fabricated the flanges, but bending the tubing into tight 90 degree curves  has me stuck. My local muffler shops have tried, but without the exact size  blocks, they can't get the bends right without crushing the bend somewhere. I've  looked for conduit benders, but none are the right size.  As a fallback  I've thought about using a wall pipe from Ace Hardware's plumbing department,  (pretty chrome) but it's thin wall brass, and likely to crack from the  vibration. Any ideas?  How'd everybody else do it?

  

 Thanks,

 Paul Rodriguez

   [quote][b]

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bryanmmartin

Joined: 10 Jan 2006
Posts: 1018

Posted: Wed Mar 11, 2009 3:55 pm Post subject: Corvair Intake

You could build your own bending blocks out of hardwood and use a  

hydraulic press to do the bending. If you don't have access to a  

press, it wouldn't be too hard to build one out of a large bottle jack  

and a steel frame. I've heard that if you fill the tubing with sand  

and seal the ends, the tubing won't crush when you bend it. I've never  

tried this, just kicking around some ideas.

On Mar 11, 2009, at 6:57 PM, <paulrod36(at)msn.com> <paulrod36(at)msn.com>  

wrote:



 	  Quote: 	
		    I need an idea.........I'm having a tough time trying to bend some  

 1-1/8 aluminum tubing to make the intakes on the Corvair heads.  So  

 far, I've fabricated the flanges, but bending the tubing into tight  

 90 degree curves has me stuck. My local muffler shops have tried,  

 but without the exact size blocks, they can't get the bends right  

 without crushing the bend somewhere. I've looked for conduit  

 benders, but none are the right size.


	




-- 

Bryan Martin

N61BM, CH 601 XL,

RAM Subaru, Stratus redrive.

do not archive.

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_________________
--
Bryan Martin
N61BM, CH 601 XL, Stratus Subaru.
do not archive.

Larry Webber

Joined: 05 Jun 2008
Posts: 63
Location: West Kingston Rhode Island

Posted: Wed Mar 11, 2009 4:27 pm Post subject: Corvair Intake

pAUL   

  go to homers or lowes and go to bathdept buy some SS safety hand rails 

 already curved 1 piece will do both sides of intake cut to angle you want

 cost 20 $   go to junk yard get piece of ss flat  about 3$  weld and drill



some of them even have a dimpled non slip surface for the hose to secure to

 Larry 601xl corvair chugger



  

  From: paulrod36(at)msn.com

To: zenith-list(at)matronics.com

Subject: Zenith-List: Corvair Intake

Date: Wed C 11 Mar 2009 17:57:32 -0500



    Homebuilers are nothing if not ingenious and adaptable C so I bring this to youse.  I need an idea.........I'm having a tough time trying to bend some 1-1/8 aluminum tubing to make the intakes on the Corvair heads.  So far C I've fabricated the flanges C but bending the tubing into tight 90 degree curves has me stuck. My local muffler shops have tried C but without the exact size blocks C they can't get the bends right without crushing the bend somewhere. I've looked for conduit benders C but none are the right size.  As a fallback I've thought about using a wall pipe from Ace Hardware's plumbing department C (pretty chrome) but it's thin wall brass C and likely to crack from the vibration. Any ideas?  How'd everybody else do it?

  

 Thanks C

 Paul Rodriguez

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paulrod36(at)msn.com
Guest

Posted: Wed Mar 11, 2009 4:47 pm Post subject: Corvair Intake

<?xml:namespace prefix="v" /><?xml:namespace prefix="o" /><![endif]-->  EUREKA!!  I knew I could count on the list. Since She  Who Must Be  Obeyed works at Lowe's I not only get a solution, but I get it  at discount, besides.  Thankya, thankya ver' much!

 [quote]   ---

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hills(at)sunflower.com
Guest

Posted: Wed Mar 11, 2009 6:05 pm Post subject: Corvair Intake

Paul;  

   

I have made a few intake manifolds before. I purchase 45, 90 and 135 or 180 degree “mandrel bent” tubes in the diameter I need, cut them to fit, then weld   

together and grind off the seams.  The “mandrel bends” bending technology makes for smooth curves without kinks.  

   

Do an internet search for mandrel bends and you will find lots of suppliers.  The aluminized steel is easy to wield, but not as light as aluminum.  

   

Roger  

         

  

From: owner-zenith-list-server(at)matronics.com [mailto:owner-zenith-list-server(at)matronics.com] On Behalf Of paulrod36(at)msn.com

 Sent: Wednesday, March 11, 2009 5:58 PM

 To: zenith-list

 Subject: Corvair Intake  

  

     

Homebuilers are nothing if not ingenious and adaptable, so I bring this to youse.  I need an idea.........I'm having a tough time trying to bend some 1-1/8 aluminum tubing to make the intakes on the Corvair heads.  So far, I've fabricated the flanges, but bending the tubing into tight 90 degree curves has me stuck. My local muffler shops have tried, but without the exact size blocks, they can't get the bends right without crushing the bend somewhere. I've looked for conduit benders, but none are the right size.  As a fallback I've thought about using a wall pipe from Ace Hardware's plumbing department, (pretty chrome) but it's thin wall brass, and likely to crack from the vibration. Any ideas?  How'd everybody else do it?  

    

   

    

Thanks,  

    

Paul Rodriguez  

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Ianrat

Joined: 31 Mar 2008
Posts: 43
Location: Brisbane AUSTRALIA

Posted: Wed Mar 11, 2009 8:00 pm Post subject: Re: Corvair Intake

I use CAD to draw the intake and then went to my local Mandrel bender (In Australia) and he made the intake exactly the same as the one WW sells. They cost me $100 each including the stainless steel tubing.



Ianrat

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