omori gauge instal and no vacuum !?

[rtb98]

all right guys, i just get my use omori gauge.

in the same time i do the N249 mod.

so basicly the intake manifold cacuum hose goe directly to the DV

i put an Y between these intake cacuum output ans the DV in put.

so now my problem is, imy gauge read boost (9 psi) but he don'T get any vacuum. ok, mabey -1.

the other thing, when i boost 9 psi and release the gaz pedal, the boost gauge is dancing down to 0 (jumping down)

so, any advice !?

my can ran great and i don't ears any boost leak.

[eg6siR]

ROFL at your signature! so your guage functions but it wont show vaccum? i am guessing vaccum leak at idle?

[rtb98]

yes. i've got no vacuum at any RPM or condition ...

i've look for leak without founding anything...