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Compressor Valves: BOV/DV/Radial R35/R55 (29)

Category: Blow Off Valve

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What are the dimensions of the Synchronic BOV?


What improvements have been made to the Synchronic BOV?


What is a Port C delete and what is the service procedure?


What is causing my Anti-Stall Kit leak?


What is the Anti-Stall Kit and how to properly install it?


The Anti-Stall kit is designed for those who have Mass Air Flow equiped forced induction vehicles and want to use the Synchronic BOV to vent to atmosphere instead of re-circulating the discharged air. 

The Anti-Stall Kit is a cap that fits over the discharge of the BOV.  The cap is attached to the BOV by a long screw and a spring.  When the BOV discharges, it will blow the cap open and release the discharge air.  When the BOV has finished discharging the air, the spring will pull the cap shut, hence the BOV will not be blowing out  metered air and causing the MAF car to stall or  idle rough.

The kit comes with the following parts and should be installed in this order:

Bolt -> Spring -> Washer -> O-ring -> Anti Stall Cap 


Do not over tighten the bolt onto the valve as it may cause heavy load on the spring and preventing the cap to properly open during discharge.


***It is recommended to always re-circulate the BOV discharge air for best vehicle performance and drivability.***


What is the BOV upgrade kit, and what does it include?


What is the design philosophy behind the Synchronic Blow-Off valve


Why are the brass fittings for the signal ports not able to be screwed down completely?

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