1990 Chevrolet 3500 Pickup Q&A

1990 Chevrolet 3500 Pickup Question: engine knock

I have a 454 1983 itaska that overheated. it still runs strong and dose not knock in neutral. what can I do? -
Answer 1
maybe try a thicker oil with some STP oil treatment -
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Engine is making a knocking sound, and oil pressure light comes on and oil pressure drops.
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