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GT40 Tech - Engines/Induction/Exhaust Motors and engine related - right here!

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Old 7th August 2017, 08:27 PM   #1
Shawn Custer
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180 degree header flange question

Can a bundle of snake exhaust system be welded up using the long 4 port header flange? Or do I need to use the separated single flange per tube?
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Old 7th August 2017, 10:05 PM   #2
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Re: 180 degree header flange question

Get rid of the 180 part and then yeah sure.
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Old 7th August 2017, 10:33 PM   #3
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Re: 180 degree header flange question

Noted!
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Old 8th August 2017, 08:30 AM   #4
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Re: 180 degree header flange question

They can be welded up, but it makes them more difficult to assembly onto the motor. I did this with my set of 180's, but they had slip-on collectors, and there was only one specific way I could put them onto the motor. It can be done. I chose not to use them, not because of that, but because I needed the space immediately behind the engine for a number of components (tank, clutch slave cylinder, etc). They are a little different in that I had to make them flatter so that they fit under the Can Am style bodywork. After I made these, I made a set of 4-to-1 that opened up the middle area behind the motor for all of that stuff.





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Last edited by blueovalz; 8th August 2017 at 08:44 AM.
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Old 8th August 2017, 07:07 PM   #5
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Re: 180 degree header flange question

My RCR 180 headers had one-piece flanges.... Tricky to lace together like a Chinese Wire Puzzle - but well made..
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Old 15th August 2017, 10:41 AM   #6
Shawn Custer
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Re: 180 degree header flange question

Sounds like a tricky way to build them. I think I will go with separated flanges. Thanks for the input.
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