Here's an article from SOHO Motorsports blog where they mention over spinning the supercharger and oil coming out of the breather at high rpm/boost. Of course I think Ben's car was seeing about 18psi.
https://sohomotorsports.com/700-rwhp...d-nissan-370z/
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Fast Intentions "Stage Seb" twin turbo #098- Specialty Z/Tial-Xonarotor/CJM/Ecutek/HKS/KW/SPL/Hotchkis/Rohana/Toyo
700+whp
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