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Blow off valve

1bad89

Active Member
Although not really needed, I'm planning on putting a teal sport Q 50mm BOV on the pressure up pipe before the throttle body. Was curious if anybody has done that and what spring pressure would be adequate say for around 18 -20 lb of boost. The teal chart says 10 lb spring for -16-18 in/hg. Idle vacuum. My car is at -17. Any input is much appreciated. Thanks in advance.
 
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