Yes, the rear o2 housing.
The front is not without work as well. The GCTech mani's bring the turbo about 1/4" closer to the head than stock. This created an issue when using the lower turbo/o2 support!
https://lh5.googleusercontent.com/-R.../778819955.jpg
So I resolved this by elongating the support holes.
https://lh6.googleusercontent.com/-O...1276429640.jpg
So I thought! The O2 housing actually hits the rounded inside edge of the brace.
https://lh5.googleusercontent.com/-L...1030446708.jpg
So back of to the vise, and grinder I went... Success!
https://lh5.googleusercontent.com/-X.../279040997.jpg
So I thought. I had to take a hammer to the oil return lines heat shield as it hit the corner of the Engine mount.
https://lh4.googleusercontent.com/-9.../929573592.jpg
https://lh5.googleusercontent.com/-6...1506544009.jpg
That ended up not being quite enough so I split the turbo, covered everything, and busted out the grinder. This also made it easier to mount the return to the turbo while off.
https://lh4.googleusercontent.com/-v...1943742261.jpg
Buttoned everything up, and installed the oil feeds, and water feed/returns. I need to pickup some hose, and make the lines more presentable to finish though.
https://lh4.googleusercontent.com/-i...2604805613.jpg
https://lh3.googleusercontent.com/-o...2237681812.jpg
I also had the splitter in the IC Y pipe extended to try and eliminate the surge issue. Will see...
https://lh5.googleusercontent.com/-b...2846968775.jpg
https://lh3.googleusercontent.com/-h...3165548448.jpg

