Rb25det Runs Fine In Vacuum But Wont Boost L

[Kinkstaah]

Intercooler pipe gone or blown turbo. Don't *try* and make boost in this scenario, surefire way to actually kill the turbo by spinning it too hard as it'll try and make 500psi on its way to making 0psi.

[niZmO_Man]

Definitely check intercooler piping. Same thing happened to me pulling out of a servo driveway, hit boost, loud bang and some hissing. I didn't tighten one of the clamps properly.