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DOes anybody know what changes in jetting would be needed when going from a vented crank case to a PCV system?I would assume the PCV would cause a lean condition through all rpm ranges.Car runs well since adding the PCV system and does not dribble out the valve covers any more but I keep burning plug wires and the heat from the headers is starting to melt my Poly engine mounts.The engine was jetted on an engine dyne with out a PCV.