i just converted my OS to the 2 bar OS and cannot get the scanner to read anything over 105kpa ive tried the gm 2 bar pid and still nothing....even on rtt it doesnt read over 105 kpa....and when car goes into boost it goes dead rich any ideas? ill post up tune and scanner config...im bout to pull my hair out trying to get this thing right
it is a 5.3 with 76mm turbo...60lb injectors and a boost ref. reg. with base pressure of 60psi in a 88 mustang coupe