Bringing a Corvette Big Block Back From Lethargy - Undercover Moves
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These are the small things that make engines run well. PCV valves have calculated vacuum flow rates for the engine they were designed for. When incorrect PCV valves are used, performance suffers. If the flow rate is too low, engine contamination from condensation can occur. We also replaced the PCV valve grommet to keep vacuum and oil in the engine. View Related Article
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