K3rm1tTh3Fr0g Posted April 11, 2023 Report Share Posted April 11, 2023 Hi all, excuse my lack of tuning experience. I have a full bolt on 02 WRX with a Link G4X and recently took my car back to my tuner to enable closed loop boost control among other things. However looking at the boost targets now that I have the car, I see it set quite a bit higher in the map than we had discussed - goals were 22psi on pump and 24psi for E85. Though it was set in open loop around ~25.5 hitting 26 on occasion. I was under the impression with closed loop one should have the targets as close as possible to the real boost you intend to achieve, rather than setting the value higher than desired and using offsets or trims to achieve desired boost. Wanted to get some expert opinions before I bring this up to my tuner. I was able to hit 26 psi on the drive home. No complaints with performance, I just thought boost targets should match real world desired boost. Here are the target tables and the PID config. Quote Link to comment Share on other sites More sharing options...
Adamw Posted April 11, 2023 Report Share Posted April 11, 2023 That is absolute pressure. Assuming you are near sea level, 36.7 - 14.5 = 22.5psi gauge pressure. Quote Link to comment Share on other sites More sharing options...
K3rm1tTh3Fr0g Posted April 11, 2023 Author Report Share Posted April 11, 2023 Thank you again Adam for quickly dispelling my stupidity fueled anxiety. Quote Link to comment Share on other sites More sharing options...
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