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Exhaust Flanges....

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Old Oct 11, 2003 | 11:54 AM
  #1  
Racer X's Avatar
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How thick of plate should I use to cut up some flanges from?I work at a fab shop and they garbage alot of plate that is the right demensions for flanges.I have some 1/2" thick plate here right now. Thanks
Old Oct 11, 2003 | 12:31 PM
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3/8" is normal, 1/2" will work fine. What steel is it?



I have an AutoCAD drawing of a 13b flange if you need one.
Old Oct 11, 2003 | 01:53 PM
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TYSON.. Your avatar is killin me man!!! LOL



Oh, and yeah.. 3/8 or half is good.
Old Oct 11, 2003 | 05:48 PM
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I'd use the 1/2 you have there. When welding the tubes to it you will have less chance of warping the flanges.
Old Oct 13, 2003 | 03:14 AM
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Cool,Thanks guys.I plan on using a Turbo II exhaust manifold gasket as a template.I can cut the external demensions tomorow with my torch until I get the gasket here tho.
Old Oct 13, 2003 | 09:40 PM
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Originally Posted by setzep' date='Oct 11 2003, 05:48 PM
I'd use the 1/2 you have there. When welding the tubes to it you will have less chance of warping the flanges.
if you warp the flange can't u rehone it after?
Old Oct 13, 2003 | 09:44 PM
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Originally Posted by Cheers!' date='Oct 13 2003, 06:40 PM
if you warp the flange can't u rehone it after?
Yes it can be surfaced.





It's kind of hard to warp the flange for a rotary. There are only 2 runners.... So the weld cant really pull the edges up.
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