Originally Posted by Senna-F1

SOHO tightened my belt, even though at first they thought it was fine. Up until they tightened it, boost was still dropping up top, just a tad. So to those who are losing even a small amount of boost, might just need a tighter belt. Posting log data showing boost till redline. Boost gauge read 15.2 psi which is even a bit lower than the ECUTEK log data of 30.2 psi absolute pressure.