4.4psi at 2000rpm, hot and neutral is good, no ajustement need.
2 and 18 for start and stop is also good, no ajustement need.
15psi at 1800rpm is not bad...
You remove KP39 for 1749VB, is not a big step, KP39 is nice reactive turbo and better than VNT15 on older engine.
To test low rpm, close...