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Smokes at start up and continuously. Maybe less once warm.

I have no oil on my plugs.

Wouldn’t that be evident on the compression test? I assumed this was the issue given the PO prolly didn’t have the head done when the bottom end was rebuilt

So my oil control ring is toast on a cylinder?

Need some help as I’m lost as to what’s the next diagnostic step. 1994 4.0. Supposedly rebuilt by PO about 20k miles ago. I’ve owned about a year. Over this time I’ve replaced valve cover gaskets, fluids, plugs, FPR, cleaned up vacuum lines so no leaks, new header and downpipe, o2 sensor...