240Z Turbo Posted January 7, 2001 Share Posted January 7, 2001 Here is my new wastegate setup. And to answer the question about mild steel and cast iron welding. Do not use any thin wall mild steel tubing as it will not live up to the heat requirements as I quickly learned with my old pathetic setup as shown above. I have sinced used a schedule 30 mild steel 90s to fab my new setup. These are thick enough and can withstand the heat. You must thoroughly clean the manifold and as stated it must be preheated and then welded with nickel rod while constantly peening the weld so it doesn't crack. It then needs to be cooled in sand or kitty liter overnight. I would recommend cleaning any cat poop from the liter before going this route. HEHE! As for the TEP setup, that will not work with the bigger compressor housing such as the T04E and bigger. They used a T04B compressor housing on that 275hp@wheel car. Oh yea, here is the link to my pics http://www.eng.fsu.edu/~jthagard/wgate/ Quote Link to comment Share on other sites More sharing options...
rreford Posted January 31, 2001 Share Posted January 31, 2001 I've got a Turbonetics Deltagate left over from an aborted AKMiller turbo setup (about 11 years ago). From what I've read in Maximum Boost (I know, not infallible, but a good reference for me), there is little advantage to running an external wastegate. Is it enough of a difference to warrant using the wastegate I've got in-hand, considering the type I have and the additional welding/plumbing required? Thanks! Quote Link to comment Share on other sites More sharing options...
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