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View Full Version : Install: Synchronic DV/BOV



synapse
02-10-2008, 01:28 AM
These instructions are based around a stock Evo 8 MR, but should translate well to other models.Â* These instructions were put together (although seemingly simple) because there will always be the installer that will look at the location of the stock DV under the upper radiator hose and simply say that Synchronic DV will not fit.Â* Without re-clocking of pipes, you will not clear the upper radiator hose, or constantly rub against it.

Step 1 - Remove the factory air scoop by undoing the 2 panel fasteners that hold it in place on the radiator support.Â* Remove the cover of the factory airbox and the air filter.Â* Loosen the 2 bolts that hold the airbox in place.

http://www.synapseengineering.com/archive/marketing/forums/evo8/evo8install1.JPG

Step 2 - Remove the factory DV by loosening the 2 10 mm clamps that hold it in place.Â* You will also disconnect the vacuum line to the factory DV.

Step 3 - Loosen up the turbo inlet hose connection to the factory airbox and disconnect from the factory airbox.Â* Whenever possible, you may want to re-orient the factory clamps to make it easier for yourself to access them in the future, or when putting everything back together.

http://www.synapseengineering.com/archive/marketing/forums/evo8/evo8install2.JPG

Step 4 - Loosen the clamp that holds the turbo inlet hose to the compressor.Â* You will then rotate the turbo inlet hose towards the radiator.Â* In some installations the clamp's bolt is inaccessible.Â* You can simply grab the turbo inlet hose and rotate it by hand without loosening the clamp.

http://www.synapseengineering.com/archive/marketing/forums/evo8/evo8install3.JPG

Step 5 - Remove the upper intercooler pipe.Â* Loosen the clamp to the DV inlet hose and rotate hose orientation towards the radiator.Â* You will want to reposition clamps so that they are easier to access when tightening everything back together.

http://www.synapseengineering.com/archive/marketing/forums/evo8/evo8install4.JPG

Step 6 - Once you have re-clocked the piping to orient the DV's location closer to the radiator, reassemble the turbo inlet pipe with the airbox.Â* Also re-install the upper intercooler pipe.Â* Make sure to allow the piping to retain their newly clocked orientation.

Step 7 - Use the factory clamps and install the Synchronic DV in the same orientation as the OE DV.

http://www.synapseengineering.com/archive/marketing/forums/evo8/evo8install6.JPG

http://www.synapseengineering.com/archive/marketing/forums/evo8/evo8stocklocation.JPG

Step 8 - Re-install the factory airbox.Â* Re-install the factory air-filter and the factory airbox cover.

http://www.synapseengineering.com/archive/marketing/forums/evo8/evo8stockairbox.JPG

Step 9 - Follow the vacuum routing instructions from your Synchronic DV installation manual.Â* Use the vacuum line that used to connect to the factory DV to tee into Port A&B on the back of the Synchronic DV.

http://www.synapseengineering.com/archive/marketing/forums/evo8/evo8install7.JPG

Step 10 - Connect the boost-only source to Port C of the Synchronic DV.Â* Boost-only can be sourced, by tee'ng the signal line from the turbo's compressor to the wastegate actuator.

http://www.synapseengineering.com/archive/marketing/forums/evo8/evo8install8.JPG

Step 11 - Re-install the factory airscoop and carefully routing the vacuum lines through the split line valley in the airscoop.

http://www.synapseengineering.com/archive/marketing/forums/evo8/evo8stockairscoop.JPG