Heres my prob as stated earlier!! 2006 mega 5.9.
super b special,airdog,90tips,SSR, blah,blah,blah. Anyways, was earlier making 50+ boost! Now cant get past 20-25 boost! Have 25k fuel rail and 20k fuel pressure. pinched off wastegate, cant find boost leak, 15/25/15 low settings and 33/40/30...