318 Poly Vibration

Have had zero time to spend on this.
Last thing I did was ground each cylinder and it idled the same for all, so I ordered new plug wires.
I needed to move it today, so I had to put the new plug wires on it.
Checked oil, looked clean.
Changed wires.
Fired right up first try, it's been cold too.
Let it warm up, moved it, left it to idle. Still felt that damn vibration. Pulled dipstick, milky, moved it back, pulled dipstick again to take a pic, went back oil spitting from tube, that's a first!
Turned it off, pulled valve covers, oil on heads looks fine. Flipped valve cover over, covered in water droplets.
Checked radiator, clean, no oil.

Did a quick online search- bad rings, valve guides, pcv.

I realized I never replaced the pcv. It's part of the metal cap on that valve cover, and I can't find a replacement.

I need to get a leak down tester, any recommendations on a reasonably priced brand?

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