hi.im just wondering how is our OE blow off valves operating?
i mean,is the boos forcing the valve shut and then with foot off the throttle,vacuum will lift valve open or can the boost overcome the spring tension and force the valve open causing unwanted boost level drop (for example if the valve is 22years old :-)
i mean,is the boos forcing the valve shut and then with foot off the throttle,vacuum will lift valve open or can the boost overcome the spring tension and force the valve open causing unwanted boost level drop (for example if the valve is 22years old :-)
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