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I have seen this.......on a 07/08 Speed3.
Cobb SRI, ETS 3.25" TMIC with SU boost tubes and T bolt clamps through out & Forge BPV blue spring 2 shims. On a Prosport mechanical boost gauge.......Spikes to just under 20PSi and slowly bleeds to about 16PSI and holds solid to about 4000rpms+(depends on gear) then drops slowly to about 13PSi and holds to 6000RPMs. Never below 13PSI in any gear at any RPM at WOT.
Check your Forge housing. I have seen loose ones.
Leave the BPV bolted to the cold pipe. Un hook the bypass vent tube from it. Grab the Forge vent tube in your hand and try to spin the top of the valve counter clockwise against the base. If the top on the unit spins on the bottom flange then you need to take it off and send it to Forge. Also check the vacuum fitting because it is screwed in and comes loose. Also check the vent tube itself as it screws in also and comes loose.
04-15-2008, 05:33 AM
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