Thread: You Can't Make This Stuff Up!
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Old 11-21-2020, 01:39 PM
earntaz earntaz is offline
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Quote:
Originally Posted by Lynn View Post
Excuse my ignorance. Never had a Chevelle with Cowl Induction.

Why are all the cowl flaps in the open position when parked? On the 69 Z/28, they only open when you floor it. Are the Chevelle flappers open by default?
They are vacuum actuated -- when car is parked and engine off, there is no vacuum so they are open. When engine is started, vacuum pulls em' shut. During WOT vacuum is minimal and the cowls flaps open for cool air.
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