cylinder 1 3 6 burning oil

Inspected all plugs and #'s 1 3 6 are not right ,engine was running smokeless before head change out and never consumed oil in cylinder , I don't know why exactly yet, hoping to change the valve seals and cure this problem .

On startup after driving around a few minutes, a big puff of smoke.
She smokes a little idling also,
The a/f is good using a wideband on e*85

Has to be guilds or seals. that is all you changed

I installed another set of heads. I am not sure what the problem is yet, it seems the easiest process of elimination of what the problem really is will be to change out the seals, then go from there?

That looks like oil to me on the plugs. I just realized the date is wrong on the camera settings LOL

I want to fix the oil control and make some runs. LOL we will see?

sucking oil from the intake gasket??

big block I don't think its possible to suck from the gasket.

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big block I don't think its possible to suck from the gasket.

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What Only if you are using a valley cover with no connection to the lifter valley I've had many BB suck oil into the bottom of the intake ports, many, many, many, Pull the carb. and take a good bright light and look down into the intake manifold and ports, if it shines you have oil in there