| Welding Cast Iron to Stainless Steel is a bit of a process & not as straight forward as you may think. To get it to NOT crack takes a lot more effort & a special rod. It is not simply welding them together. 0.49ar will choke off the potential of the turbo & have high back pressure. These have been tested on some RB race motors & they had to step up to the largest 0.92ar to get the BP in a same range. 0.72ar will be the sweet spot for the VG imho. If anyone is interested in having a custom set of manifolds made, contact me. I am one of the very few people in the Z community that has made tubular manifolds & that have not cracked. [ http://twinturbo.net/net/viewmsg.aspx?forum=general&msg_id=2516582&forum=general&dtSearch=2 ]
~Induetime~ "Lag Less"
First Stock Turbo to break 500WHP on boost alone (Pre-E85).
New track car project "Diseaze":
http://arizonazproject.wordpress DOT com
Custom fabrication for the Z32: search QFAB on
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More custom fabrication: search FuturFabrication on Facebook:
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