Quote:
Originally Posted by Holeshot
lol it amazes me how little people know about what they're so confident to write about.
A bov releases pressure, plain and simple. It does this by being pulled open by a preset vaccum pressure from the engine (when the engine isn't under load, i.e. under decelleration, idle.) The correct vaccum pressure for a bov for any engine is that of which it idles at.
All of this means that a bov should be at least slightly open under idle and anytime the throttle is qucikly released, causing the engine vaccum to increase to the point that is the same as it is at idle or greater
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glad me and you are on the same page
