flat top piston

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    Engine Piston Identification Help(Roller 5.0)

    Hey there guys, new to the forum. Excited to be here. A little bit of a back story in the situation. I have a 1983 convertible 5.0 4 speed. I bought the car about 9 months ago. Drove it 50 miles and the engine became off balance and insisted on dying unless under heavy throttle. Did my first...