Quote:
Originally posted by AzCivic
the turbo has to respool in EVERY gear, it doesnt stay spooled from the gear before it. you switch gears the BOV bleeds off pressure, the turbo then has to rebuild that pressure when you get back into gear.
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the BOV bleeds some but not all of the pressure - If the bov bled all the pressure and the turbo stopped spooling, then bov's would be a useless mod and nobody would get them cause it would cause a major loss in power.
Bov's bleed enough pressure to keep the turbo from hurting itself, but not enough to cause the turbo to stopp spinning - thats why turbo cars are able to take advantage of a slightly longer gear ratio than an NA car.