heres what I made for my pressure test. Its a hand pump for an exercise ball. I attached a thick pen to it, and pushed the pen through the tennis ball. that way there isnt any leakage since the air is delivered on the other side of the ball

now all I need to do is use a $2 pressure guage from the auto parts store

 

creative. Only issue I see with that is that you won't be able to build much pressure. I built my setup the way I did so that I could pressure test to the same psi that the car runs at. Its rare, but sometimes you can have a boost leak that only opens up after a bunch of boost. Maybe it tests fine at 7psi, but at 15 it leaks. You'll never find a leak like that with a hand pump.


Oh, clamp off the PCV hose with a screwdriver handle. Works great.

 

these hand pumps can handle more than you would think with the one way valve on this, it should more than meet 20psi. If that doesn't work, I've worked out an idea with Co2 that would only take me a few seconds to add a metered amount of compressed air.

 

Pictures don't work for me so this may be of little relevance, but when PVC is heated up with a heat gun it becomes very pliable. you could heat it up and push it down on the bottom of a bowl to curve the bottom out. We used to do this with PVC to make aeroports for sub boxes before I could afford real, well built aeros. if you need the lip on the inside of the pvc maybe you could just flip the bowl over? not sure, like I said I can't see the pictures lol.

 

Yeah, I do alot of making my own plastic lately. My girlfriends ceramic flat iron has been getting a work out.

 

awesome. has she figured out why her hair smells like plastic yet?


Oh, and the PVC reshaping is a good idea... If I build another tester, I'll have to give that a shot.

 

Nah, my girl Is cool as ****. She would just make me buy a new one if I break it.