Blow off valve with no turbo?

Answer:
Amazingly pointless. The blow off valve is there to release intake pressure if you have the turbo spinning and then go off the throttle suddenly. If you haven't got a turbo there's no intake pressure to release if you go off the throttle.
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First answer by Dabac. Last edit by Dabac. Contributor trust: 483 [recommend contributor recommended]. Question popularity: 0 [recommend question].