Recommended Range
Spring Pressure
--This recommendation ensures your valve stays closed at idle while reacting quickly to throttle lift-off.
Based on standard operating metrics
Understanding Sizing
Compressor Surge
Occurs when the valve doesn't open fast enough, sending air back into the turbocharger.
Idle Vacuum
Your engine's negative pressure at idle is the primary indicator for required spring tension.
Atmospheric vs Recirc
Choosing between venting to atmosphere or back into the intake affects required spring response.