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C5 Z06 180 degree header build thread


Tinman
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Thanks again for all the kind words.

 

Clay, as far as I'm concerned, these will never be duplicated, at least by me. After this, it's off to new challenges, hopefully with less headaches.

 

Headers are now done. Finally done! Collector retaining tabs and hangers welded on and waiting for final install. Now onto the X-pipe. Pretty simple piece and much more fun to work with.

 

Started with a little math and a couple of cuts through two U-bends. Trued up on the belt sander and tacked together.

 

http://i157.photobucket.com/albums/t55/tinman_015/IMG_2179.jpg

 

A few random pieces laying around the garage tacked to the welding bench to keep everything inline.

 

http://i157.photobucket.com/albums/t55/tinman_015/IMG_2180.jpg

 

And welding the main portion out. The two 1" long sections at the exit end are the 2 3/4" to 2 1/2" reducers. After the X the exhaust will be 2 1/2" to mate to the factory ti over axle pipes and mufflers.

 

http://i157.photobucket.com/albums/t55/tinman_015/IMG_2181.jpg

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stupid question. do you lose any of the sound you are after by adding the x-pipe?

 

Not a stupid question at all. I plan to make a few different midpipe configurations to try, one being without an X. I'm expecting this X pipe to give it a higher pitch and smoother sound. The video in my first post of my chassis car's 180 degree headers does not have an X.

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Not a stupid question at all. I plan to make a few different midpipe configurations to try, one being without an X. I'm expecting this X pipe to give it a higher pitch and smoother sound. The video in my first post of my chassis car's 180 degree headers does not have an X.

 

Would a H pipe design help with the equal sound?

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Not a stupid question at all. I plan to make a few different midpipe configurations to try, one being without an X. I'm expecting this X pipe to give it a higher pitch and smoother sound. The video in my first post of my chassis car's 180 degree headers does not have an X.

Cool.

 

Awesome work.

 

Sent from Galaxy S7 using Tapatalk

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So even though I'm sure I have no fabrication skills, how mad would you be if these were copied? If this sounds like I think it will........I mean I know you said making more of these would be a slim chance in hell.
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Would a H pipe design help with the equal sound?

 

Possibly and one of the things I would like to try.

 

So even though I'm sure I have no fabrication skills, how mad would you be if these were copied? If this sounds like I think it will........I mean I know you said making more of these would be a slim chance in hell.

 

I harbor no anger for anyone that wants to copy my design. I went into this for the sound, not to make money off of duplicates. You have my blessing and may this thread help you in your quest.

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On with the install of what is done so I can complete the last section between the X and the over axle pipes.

 

http://i157.photobucket.com/albums/t55/tinman_015/IMG_2198.jpg

 

http://i157.photobucket.com/albums/t55/tinman_015/IMG_2203.jpg

 

http://i157.photobucket.com/albums/t55/tinman_015/IMG_2204.jpg

 

http://i157.photobucket.com/albums/t55/tinman_015/IMG_2205.jpg

 

Hangers and O2 sensor wire routing.

 

http://i157.photobucket.com/albums/t55/tinman_015/IMG_2199.jpg

 

Passenger side underhood. As with most C5 headers, the dipstick did require some work. I ended up cutting the bolt tab off and making a new one and welding it to the opposite side of the dipstick tube.

 

http://i157.photobucket.com/albums/t55/tinman_015/IMG_2217.jpg

 

Driver side underhood.

 

http://i157.photobucket.com/albums/t55/tinman_015/IMG_2208.jpg

 

Everything is going as planned except for a pair of my fuck ups. I welded the passenger side collector retaining tab 1/8" too far back on the primary pipe. It will be fine for now but I'll move it next time the headers come off. Secondly, somehow I missed the mark when mating the X pipe to the collectors. It was done on the bench and ended up a degree or two off which is throwing the X pipe exit 3/16" closer to the driver side of the tunnel. Since it is the first of a few different mid pipe sections i want to try, I'll let it go and make it work.

 

On the positive side, both headers slid in from the bottom with ease. I did have to loosen, rotate, and re tighten the driver side ground strap before sliding it in. And I did have to disconnect most of the starter wires and passenger side grounds and reinstall them in after the header was slid in but before it was bolted on. Otherwise a gravy job to get them in.

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Pipe organs in the most ornate churches have nothing on these headers.

 

Are you going to do a "reveal party"? Have it on a lift so people can see the beauty of those pipes, then at a scheduled time fire up the car to treat guests with a cacophony of LS-derived exhaust notes plumbed through titanium tubes expertly and intricately formed from a master craftsman with talent blessed upon him from the gods?

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