I have a 350ci tbi to carb it's been running a bit rough. Decided to pull plugs to relash valves. When I did the 1, 3, 5, 7 plugs were oil burned indicating I had a oil issue, bad rings ect. Question is Iv never saw rings on one side of the motor be out like that. Normally it's one or 2. The passenger side looked fine. Any suggestion on what could have causes this? Motor was rebuilt by previous owner of truck and is .060 over. Thanks
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