Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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To de-carbon an engine, you might try Seafoam. Worked well for me so far.
However, the knocking you're hearing may be due to worn rod/main bearings, or perhaps excessive piston to wall clearance. Not uncommon for older engines with 100K+ on the clock. How's the oil pressure? |
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