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Z Chassis Technical discussion related to the Z Chassis such as the S30, S310, Z31, Z32, Z33 and Z34.


 
 
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Old 01-26-2012, 07:38 PM   #1
T.O.D.
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DOC Race 350Z turbo kit in the making!!

Hey there guys, I'm working on a single turbo kit for my 350Z and wanted to show some progress. I wanted to build a kit that was simple yet effective making it user friendly and can be installed with just regular tools. You will see that the kit was built and installed on jack stands, no pulling motor needed. I did tons of research before even attempting to design and have came up with a kit that fits my needs perfectly. Here are a few key points I wanted to incorporate when building the kit.

- Must use T4 flange
- Capable of making 450whp with base turbo kit
- Upgradable to twin turbo
- Keep heat to a minimal (deathly afraid of engine fires)
- Simplify kit without sacraficing quality and function

Talking to techs at Horsepower Freaks and Precision Turbo, they suggested using a PT6766 CEA. It is a 935hp capable turbo that uses similar size housings as GT35R. I wanted to make sure the kit can make 450hp and still have room to play so the 6766 should be plenty for now. It's a small turbo that packs a big punch.


After seeing some of the front mounted turbo setups, I chose to go towards rear due to my fear of engine fire. I have seen turbos and piping get red hot on dyno pulls. It scares the hell out of me to think of something that creates that much heat stuffed into such a tight area.

Off to some pics. The main piece connects the left bank header to the turbo, we'll call this the turbo elbow. It also has a v band to connect the right bank exhaust. I wanted to make sure exhaust flow was not compromised so I did my best to make a T4 exhaust housing work. Turbo placement is not final but it gives me a good starting point. So far I've been daily driving with this exhaust housing on for 3 weeks with absolutely no scratches. I am lowered 1.75" btw.





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