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School me on blow off valves
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<blockquote data-quote="carolinacat" data-source="post: 9198311" data-attributes="member: 23454"><p>The bov is held shut with the spring and boost pressure... which is applied to the diaphram in the bov. When the throttle body shuts the motor has vaccum again and causes the bov to open and bleed the boost pressure off in the charge pipe. When the pressure difference equals the bov shuts and under normal vaccume the spring pressure holds the valve shut. They recommend that the Bov be placed close as possible to the throttle body but you can only place it so close when running a blow thru application.</p></blockquote><p></p>
[QUOTE="carolinacat, post: 9198311, member: 23454"] The bov is held shut with the spring and boost pressure... which is applied to the diaphram in the bov. When the throttle body shuts the motor has vaccum again and causes the bov to open and bleed the boost pressure off in the charge pipe. When the pressure difference equals the bov shuts and under normal vaccume the spring pressure holds the valve shut. They recommend that the Bov be placed close as possible to the throttle body but you can only place it so close when running a blow thru application. [/QUOTE]
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School me on blow off valves
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