Turbosmart Dual Port BOV How To Install

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IMPORTANT NOTES ON YOUR BOV
Use only silicone hose that is the correct size and pressure/vacuum rating for your application when fitting your BOV

 Ensure that all plumbing is secured with suitable clamps or the correct fittings are used
Your BOV should be mounted at least 100mm from any high heat source or adequately shielded
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 The Dual Port is supplied with an additional trumpet for full atmospheric mode. The plumb back fitting can be unscrewed from the
body and replaced with the trumpet if desired. Alternatively, either port can be blanked off with the supplied blank to change the
modes.
RECOMMENDATIONS
 Turbosmart recommends that your BOV is fitted and adjusted by an appropriately qualified technician
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 Allow the engine to cool down before installing your BOV
 Identify a suitable location along the intercooler/intake piping for the BOV – this will need to be between the outlet of the turbo and
the throttle body ideally between the throttle body and the intercooler (See diagram below).
Good position
Bad Position
Intercooler
Turbocharger
 Remove the BOV from the weld on adapter by removing the V-Band clamp. The V-band clamp is removed by opening the screw
until it has reached the end stop, then pushing the head of the screw in a "syringe" like motion and lifting the BOV off the weld
flange.
Step 1:
Bolt head
Weld the adapter onto the intake pipe in your ideal position, then allow the adapter to cool down

 Put the V-Band clamp over the adapter before re-installing the O-Ring seal and the BOV
Open the V-Band clamp and place in position. Tighten the V-Band clamp screw until it is finger tight then turn an additional 2.5

turns or 4 Nm (3 ft/lbs) with an allen key. Be sure not to over tighten the screw as this will cause damage to the V-Band clamp
 Identify a standalone vacuum / pressure source from a port after the throttle body and connect with correctly sized hose to the
vacuum/boost port on the cap of the BOV. Ensure this line is as short as possible
 Connect the plumb back fitting with the appropriate sized hose to a fitting between the turbocharger compressor inlet and your air
filter
 Secure all silicone hose ends with correct clamps
 Start the engine and check for air leaks in the system
ADJUSTING YOUR BOV
Each BOV needs to be adjusted to suit the vehicle it is being mounted on. The aim of the adjustment on Vee Port's, Supersonic's and
Dual ports is to make sure that the piston is hard closed at idle and that the piston closes fast enough to minimise backfiring and not
stall the engine. Plumb back BOV's are equipped with a spring which are designed to keep the piston open at engine idle and hence the
cap can be left in the middle position.
Dual Port BOV
Blow off valve
TS-0205-1061, TS-0205-1062
TS-0205-1071, TS-0205-1072
HOW TO INSTALL YOUR BOV
Step 2:
Squeeze
1
Throttle body
Inlet manifold
Engine
Step 3
Lift off
Pull down