Quote:
Originally Posted by Speedyf16
I went the route of removing the theta plate and spring and bolting the still plugged-in controller back on. It works, but as others say, there's some embarrassingly loud rattling whenever the exhaust gas velocity is low at lower rpm. Didn't have small hose clamps at home so will grab a pair today or tomorrow to secure the valve in the open position tightly.
Also, like one poster said I think, the valve keeps sucking back to the fully closed position after shutting off the engine. It seems there must be an instantaneous moment of negative pressure when the ignition is killed that sucks the valve closed. Just have to go under the car again and finger the butterfly valve to re-open it...and soon enough secure it with a hose clamp.
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Why not get a valve controller?