Intermittent sticking valve

[cajunfirehawk]

Originally Posted by Mark's 37

Try this:

https://youtu.be/JXhnf2O3fwQ

That works, you get a higher vacuum reading than I do, I get about 18 lbs but not sure how accurate my 20-30 yr old sears vacuum gauge is? And



FWIW, I think I have a slight valve sticking issue too, I tired to video my exhaust one day to reproduce it but you cant hear it when I move the phone under the car.
https://youtu.be/KgesiRUu0mw