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Old 08-16-2012, 05:28 AM   #6
Scooby Specialist
Member#: 155930
Join Date: Aug 2007
Chapter/Region: NWIC
Location: Reno, NV
2008 WRX Josh Tuned


Originally Posted by SoCal_Scooby
I believe without a bpv it can hold boost better with high boost numbers, because the boost will start to open it. And i heard its easier to tune without it
I think you might be wrong. I'm not positive though. They make bpv with interchangable springs for full race setups. I think on our cars, it would be dangerous not to purge the unused pressure somehow. I think diesel trucks are the only ones that have No bpv/bov period.
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Black07STiGuy is offline   Reply With Quote