We cant tell what others know about things, so there are good , soso and bad tecks, Guys that learn from books and (Thats all ) Theres seat of the pants guys Like me that don't hang on every word spoken in the manual till I see it for myself and guys that can kind walk down the middle of those two lines and dabble from both pots.I don't know if the guys you go too have the where with all to boost / exhast check. We saw a need and we invented a way!Some People hang on everything thing the puter tells em, I Don't I try and apply everything I have learned over the past on a problem!Unfortunatly These skills have been hampered by todays tecknowizardry you now need the puter as they have taken away all the sences we used to use, we now relay on computers and guess work.guy on the other end of the phone saying well maybe try this! Anyway if you can ask em to open up all the parramiters in the/ rpm, road ,speed ,road, speed limit, Engine Droop remove any derates that that could cause un explained issues in power and see how it goes! 68 pro or rhasler seem to have a good handle on the puter end of things they may be able to shead a little more light on this ,as to tell em where to go and what to change in the program.