I've always had my MBC hooked up with the boost side coming right off the compressor housing of the turbo (T28), but recently I read on TurboXS's site
Quote:
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When increasing the boost pressure to higher levels (15 psi or higher), you will get more accurate, responsive and stable boost pressure by using a pressure supply line directly from the engine inlet manifold after the throttle body housing instead of the pressure line from the pressure side of the turbo as stated in step 3 above. By supplying the pressure directly from the engine inlet manifold, pressure effects due to air being forced through the connecting pipes and intercooler are eliminated from the operation of the wastegate actuator system. Ensure any previous pressure supply lines after the turbo are appropriately blocked.
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What kind of pressure effects??