87 GN with 60K miles, motor has 6 K on it, Comp Cam 218/218, 70MM throttle body and turbo, front mount intercooler, Terry Houston down pipe. Car had high boost/rpm iginition issues last week, sputtering/popping at boost of 13-15 psi, swapped coil packs did not help.
Below WOT all ok, seemingly...