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Synapse Engineering 50mm Vband Wastegate
Synapse Engineering 50mm Vband Wastegate 
In the legacy wastegate design a flexible diaphragm/membrane is used to control the wastegate valve. This diaphragm is also pushed down by a spring. The main problem with the design is that the diaphragm is usually made from a rubber/polymer. As temperature increases the diaphragm becomes more flexible and the durometer changes.

This means that it takes more psi to make that diaphragm move that valve. So as pressure increases in the actuator, the diaphragm has to stretch before actually controlling the valve. What we have seen is that the legacy wastegate, opens late, and then once open, opens up too much. Resulting in peaky horsepower that drops once the wastegate is open too wide and venting too much exhaust gas instead of driving the turbine.

You cannot even vary the spring rate with a diaphragm wastegate since you are married to the durometer of the diaphragm. The Synchronic design utilizes a piston that reacts far more quickly to changes in boost pressure. It also allows the tuner to fine tune wastegate response by allowing you to use different spring rates for the same boost level and even adjust for spring preload, or target boost pressure. Spring rates cannot be varied on the legacy diaphragmatic wastegate, because you will only force the diaphragm to stretch more as spring rate increases.

Lastly, since there is nothing holding the Synchronic piston down, it can actually rotate in place, in service, over time. What this means is that the entire valve and valve stem will be exposed to the “hot” side and cold side of the wastegate. So that over time, you don’t build up a hot spot on the valve or valve stem, generate a localized stress point and then eventually, failure.


*Interchangeable valve sizes and seats
*Upgradeable wastegate with interchangeable actuator bodies
*Miniature actuator for tight installations
*Flanges and hardware will be included
*First wastegate with built in boost control
*On-board anti-lag functionality
*Precision valve actuation using Synchronic actuator geometry
*Self-Centering Piston actuator
*No valve guide
*Minimum of 8 different boost settings built into each Synchronic wastegate
*Adjustable spring pre-load
*Variable and tunable spring rates at the same boost level
*First wastegate with a valve that can spin

Details
 
SKU #WG002B-1
Weight 2.00 lbs
Price: $428.99

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