Smoking after doing re-bore, replaced new pistons and rings

1998 NISSAN SENTRA
300,000 MILES • 1.6L • 4 CYL • 2WD • MANUAL
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ERNEST LANTERN
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I did my test drive it was fine gave the car to the owner. after 3 days we found the car still smoking and when I did check I found too much oil on the intake manifold. what must be the problem?
Nov 10, 2019 at 8:39 PM
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JACOBANDNICKOLAS
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Hi:

Is the oil possibly coming from the valve cover? That's the only thing above the intake that can leak oil externally. I attached a picture of the engine on the intake side and highlighted where I'm questioning the leak may be coming from.

Let me know.

Joe
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Nov 10, 2019 at 10:59 PM