The boost pressure at the compressor cover will be higher than at inlet manifold. lets say, trying to hold 20 psi flat at 7000 RPM. If your wastegate opens at 20 psi measured at the compressor cover, the engine may only be seeing 16 psi. Your base pressure reading at engine would be 20psi by 4K and 16psi by 7K while your MAP at compressor housing still reads 20psi at 7K. For this reason your ECU's MAP source is never on the compressor cover. This difference isn't a major concern if you're using an electronic boost controller (EBC).
@RA708
All good mate.
Once you get your first car and can get hands on, that's when you'll really start to learn.
There are a million channels worth watching on youtube, but I'd like to make a recommendation. Check out the project binky series. Just a little bit of modding happening there, I think you'll find it interesting
https://www.youtube.com/@BadObsessionMotorsport
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