Not a good plan to be pushing the car with a JB4 before its finished its factory set break-in. The factory software limits boost till just over 1200 miles & you are over riding the program.
I put my JB4 in at 1400 miles & have not had any issues @ 16.5 psi.
2018 440M-Sport MPPK/MPE - 2017 CX-5 - 2016 Genesis R-Spec Coupe - 2013 135is Cab 6MT/JB4 - 2009 V-Star - 2009 Expedition 4X4 - 1998 Ranger 4X4 - 1965 Cobra MK-IV
Dyno Tuned 470WHP - First Start