Help please. No boost :(

[ItTricky]

When I say no boost I mean I'm getting a reading of 0psi at WOT. I've checked all the couplers and pipes, they hold pressure. The turbos spin freely. At idle I have 22 in hg. When you get to where the turbos should create positive pressure you hear a noise like if you were to put s blade of grass in between your fingers and blow. Wastegates actuate with air supplied from an air hose. I'm running out of ideas, figured someone might have an idea.

Thanks -Mike

[Keyan]

if i had to hazard a guess in the dark id say one of your turbo shafts snapped so the exhaust actually isnt spooling the turbo.

[ItTricky]

Both of them would of had to snap. The turbos only have a few k on them. They spin freely, no noise. And when it started I had just shifted. Was fine in first gear, shifted to 2nd and then nothing.

[CoopKill]

If it is whistling when trying to boost, you have a boost leak somewhere.

[Boomer3000]

Blow off valve sticking open? Idk just a bullshit guess.

[ItTricky]

Pulled it. It's shut can open with fingers. Was going to put it in the spring tension machine at school to check it out.

[Chris@Rvengeperformance]

One bad turbo can cause this, all the boost from the good turbo goes back through the inlet on the bad one.

[green-lantern]

The sound makes me think boost leak. It would have to be a bad one though. Are you going by the stock gauge? Busted diaphragm in the BOV might be it.

[ItTricky]

Going by my STRI boost gauge. What's best way to test a bov?

[CoopKill]

Pressure test the system. It will leak if it has a leak.