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I tossed in my used Turbosmart Dual Port Shortie etc etc BOV on my FiST last night. Because it was used and I took it apart to clean and replace the o-rings, I'm not 100% sure it's adjusted correctly. Below is how my car acted before and after the BOV swap. Any feedback is appreciated.
Small throttle closure:
Stock recirc valve - small hiss from the recirc valve
Dual Port - nothing, no releases of pressure
Medium throttle closure:
Stock recirc vavle - hiss from the recirc valve
Dual Port - hiss from the BOV and turbo flutter thru the intake
Heavy throttle closure:
Stock recirc valve - hiss from the recirc valve
Dual Port - loud hiss from the BOV and not sure about flutter as the BOV is so loud
I'm also noticing it takes a little longer to build boost at medium throttle acceleration but it definitely builds and its strong. Peak boost is down maybe 1 psi.
Should I rotate the adjustment harder or softer?
I tossed in my used Turbosmart Dual Port Shortie etc etc BOV on my FiST last night. Because it was used and I took it apart to clean and replace the o-rings, I'm not 100% sure it's adjusted correctly. Below is how my car acted before and after the BOV swap. Any feedback is appreciated.
Small throttle closure:
Stock recirc valve - small hiss from the recirc valve
Dual Port - nothing, no releases of pressure
Medium throttle closure:
Stock recirc vavle - hiss from the recirc valve
Dual Port - hiss from the BOV and turbo flutter thru the intake
Heavy throttle closure:
Stock recirc valve - hiss from the recirc valve
Dual Port - loud hiss from the BOV and not sure about flutter as the BOV is so loud
I'm also noticing it takes a little longer to build boost at medium throttle acceleration but it definitely builds and its strong. Peak boost is down maybe 1 psi.
Should I rotate the adjustment harder or softer?