Re: BPV is different from BOV: the former dumps excess air back into - Saab 9000 Bulletin Board - Saabnet.com
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Re: BPV is different from BOV: the former dumps excess air back into
Posted by aero guy (more from aero guy) on Fri, 1 Jun 2001 16:18:55
In Reply to: BPV is different from BOV: the former dumps excess air back into, Daren, Fri, 1 Jun 2001 14:52:12
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Yes, you are technically correct but the function is the same and one must be specific as to application and controls. Late models dump into the inlet supply before the turbo so as to slightly reduce turbo effort. This aids in reducing spool lag and reduces charge pressure without any damage to the throttle body and AMM. Another way to put is the BOV wastes energy and the BPV conserves it.
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