Originally Posted by
EMO_6OH
So I just changed to hpt, ordered idp SOTF, and initially had the same issue with no whistle, no boost, but wot would get some but not much psi.
Long story short, I read from the truck, picked it apart, swapping tables from stock back and fourth with no change. Decided to start fresh and noticed the "engine diagnostic" tab's min overboost set to 20kpa vs 0kpa(stock) and decided to change it to 0.
All of their file being the same, with just that one change brought back whistle, with moderate boost numbers, and oddly my SOTF 4 slot still had zero boost with the other slots working fine. Currently I still have an issue with max boost only being about 30 psi wot with a new stage 2 jetfire and 190/30, also egt is high and cruising around 55 mph its 750-1100*.
Maybe try that tweak while we SOTF 05+ customers get a solution? Btw, idp did send a V2 batch to me that appears to operate just as my modified file reads, with SOTF slot 4 "fixed" and they acknowledged there is an hpt sotf issue with VGT that's unresolved to date (to my knowledge).
Overall, I'm hoping for a true fix as my sct GH files absolutely STOMP this current setup which I'm unfortunately heavily invested in as my old X4 collects dust..