hodge Posted June 27, 2009 Share Posted June 27, 2009 When I fitted the single with the veilside manifold I've struggled for references. I have everything conected apart from the bov and boost control solnoid. If I drill and tap the turbo compressor housing with 1/8npt and fit a -3an can I use this for a vacum for the boost solnoid and the bov. Cheers John Quote Link to comment Share on other sites More sharing options...
Homer Posted June 27, 2009 Share Posted June 27, 2009 I don't know the reason for it but have always been advised to take the BOV reference from a damped line from the intake manifold, rather than the compressor. The reference for the boost solenoid must be taken from the compressor Quote Link to comment Share on other sites More sharing options...
Lee P Posted June 27, 2009 Share Posted June 27, 2009 Bov should be in the manifold, the boost solenoid can be on the turbo. You should have a vac line going to the side port of your wastegate, T the solenoid in to that. Quote Link to comment Share on other sites More sharing options...
Lee P Posted June 27, 2009 Share Posted June 27, 2009 I don't know the reason for it but have always been advised to take the BOV reference from a damped line from the intake manifold, rather than the compressor. The reference for the boost solenoid must be taken from the compressor The BOV needs to be connected after the throttle body as it relies on the vacum of the engine to open it. Quote Link to comment Share on other sites More sharing options...
Homer Posted June 27, 2009 Share Posted June 27, 2009 The BOV needs to be connected after the throttle body as it relies on the vacum of the engine to open it. Cheers Lee, spot on! That was the reason, can remember the conversation now Turbo systems 101 stuff really! Quote Link to comment Share on other sites More sharing options...
hodge Posted June 28, 2009 Author Share Posted June 28, 2009 Bov should be in the manifold, the boost solenoid can be on the turbo. You should have a vac line going to the side port of your wastegate, T the solenoid in to that. I've got a braided line running around the back of the engine to she same vac take off as the pas pump. I added the bov to it also and it wouldn't work as if there was too much going to the 1 reference. Does the vac line I/d effect the amount of references your able to take from 1 place. Quote Link to comment Share on other sites More sharing options...
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