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2004 GTO TC78 Build

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Old Sep 20, 2013 | 07:32 PM
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Default 2004 GTO TC78 Build
I just bought this car with a maggie on it. I sold it and started my build today. It is going to have a TC78 on the drivers side, 80 lb injectors, 2x walbro 255's, LS6 intake, MS3 cam. The turbo build is going to consist of the stock passenger side manifold with a 2.25" crossover into a log manifold on the drivers side. The log manifold is going to be 3" and then into the turbo. 3" downpipe. Intercooler is 31x12x4. 3" charge piping routed through the frame rails. All piping built by me.

Here are some pics of my progress. More to come...






Attached Thumbnails 2004 GTO TC78 Build-20130920_152625.jpg   2004 GTO TC78 Build-20130919_170251.jpg   2004 GTO TC78 Build-20130920_172905.jpg   2004 GTO TC78 Build-img_4655.jpg   2004 GTO TC78 Build-img_4656.jpg  

2004 GTO TC78 Build-img_4657.jpg   2004 GTO TC78 Build-img_4658.jpg  
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Old Sep 20, 2013 | 09:22 PM
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Nice but how about some daylight manifold pics.
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Old Sep 20, 2013 | 11:59 PM
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Nice handywork great project
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Old Sep 21, 2013 | 05:00 AM
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Thanks. Sorry for the dark pictures. I cant make the sun come up. Lol. I will get some better ones today.
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Old Sep 21, 2013 | 10:07 AM
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Did you trade a guy in Maine your CTS-V for this car?
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Old Sep 21, 2013 | 01:03 PM
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Yup

Here is my progress after this morning...






Attached Thumbnails 2004 GTO TC78 Build-20130921_132736.jpg   2004 GTO TC78 Build-20130921_132801.jpg   2004 GTO TC78 Build-20130921_132827.jpg   2004 GTO TC78 Build-20130921_132828.jpg   2004 GTO TC78 Build-20130921_133501.jpg  

2004 GTO TC78 Build-20130921_133524.jpg   2004 GTO TC78 Build-20130921_134037.jpg  
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Old Sep 21, 2013 | 03:21 PM
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How is the turbo going to be positioned?
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Old Sep 21, 2013 | 03:34 PM
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Originally Posted by eviltwin_1987
How is the turbo going to be positioned?
The log manifold is going to 90 towards the outside of the car and the turbo is going to sit straight ahead with the downpipe pointing towards the rear of the car. My new tc78 will arrive on tuesday. I will mock it up and take some pics of it.
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Old Sep 21, 2013 | 04:00 PM
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Cool. I have all the parts to do this to my 05 including a tc78. Dont know if I need three turbo cars though
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Old Sep 23, 2013 | 06:10 PM
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Got my intercooler mounted today. Turbo will be here tomorrow so I can finish the piping...

Attached Thumbnails 2004 GTO TC78 Build-20130923_171657.jpg  
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Old Sep 24, 2013 | 01:57 PM
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The TC78 arrived today. Got right to work. I still have to add the last primary tube. Hope you like...







Attached Thumbnails 2004 GTO TC78 Build-20130924_131705.jpg   2004 GTO TC78 Build-20130924_131715.jpg   2004 GTO TC78 Build-20130924_144133.jpg   2004 GTO TC78 Build-20130924_144140.jpg   2004 GTO TC78 Build-20130924_144439.jpg  

2004 GTO TC78 Build-20130924_144454.jpg   2004 GTO TC78 Build-20130924_144514.jpg  
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Old Sep 24, 2013 | 04:50 PM
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Turbo mounted and downpipe started...










Attached Thumbnails 2004 GTO TC78 Build-20130924_155706.jpg   2004 GTO TC78 Build-20130924_155715.jpg   2004 GTO TC78 Build-20130924_155723.jpg   2004 GTO TC78 Build-20130924_165238.jpg   2004 GTO TC78 Build-20130924_165246.jpg  

2004 GTO TC78 Build-20130924_165252.jpg   2004 GTO TC78 Build-20130924_173134.jpg   2004 GTO TC78 Build-20130924_173204.jpg   2004 GTO TC78 Build-20130924_173222.jpg   2004 GTO TC78 Build-20130924_173302.jpg  

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Old Sep 24, 2013 | 05:45 PM
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Nice work. Looks like a pain with all that little space in there. Lol
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Old Oct 2, 2013 | 07:09 PM
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Made some more progress. Got the downpipe finished, LS6 intake and 80lb injectors installed. Going to finish the cross over tomorrow and get it all welded up and wrapped. Purchased some dei titanium wrap with the silicone spray. I also bought HP Tuners to start getting this thing lined out.

Attached Thumbnails 2004 GTO TC78 Build-20130929_174516.jpg   2004 GTO TC78 Build-20131002_124127.jpg   2004 GTO TC78 Build-20131002_124147.jpg  
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Old Oct 3, 2013 | 06:01 AM
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Please tell me you didnt go out and buy an "ls6" intake?
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Old Oct 3, 2013 | 06:21 AM
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What do you mean? Yeah I bought a ls6 intake because I didn't have a intake manifold. What should I have gotten?
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Old Oct 3, 2013 | 06:29 AM
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your car didnt have an intake on it?
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Old Oct 3, 2013 | 06:34 AM
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No. It had a maggie.
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Old Oct 3, 2013 | 06:35 AM
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Good deal... I thought maybe you were under the impression that your LS6 intake was an upgrade from Stock..
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Old Oct 3, 2013 | 11:12 AM
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That LS6 intake will do you good.
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