Okay this is definitely helpful, for further details I'll talk about what I'm working on. I have an 87 Toyota supra turbo with a 7MGTE, I replaced the mechanical throttle body with a Bosch drive by wire unit and I'm using a haltech ECU. The original throttle body had a nipple for the OEM PCV...
I'm trying to understand how the PCV and evap systems aren't just big vacuum leaks. When the PCV valve opens it lets air flow through the crankcase and into the intake manifold, same with the evap purge valve but it pulls air through the charcoal canister. Both of these systems let air into the...
